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Pathways Recommended:	Metabolic Enzyme/Protease

Results for "

Enzyme Substrate

" in MedChemExpress (MCE) Product Catalog:

By Targets:	Angiotensin-converting Enzyme (ACE) (18) IDE (1) NEDD8-activating Enzyme (2) 17β-HSD (1) Adenosine Receptor (2) Adrenergic Receptor (2) Akt (1) Aldehyde Dehydrogenase (ALDH) (1) Aldose Reductase (1) Amino Acid Decarboxylase (1) Amino Acid Derivatives (5) Aminopeptidase (3) Amylases (1) Angiotensin Receptor (1) Antibiotic (2) Apoptosis (23) ASCT (1) Aurora Kinase (1) Autophagy (2) Bacterial (11) Bcl-2 Family (1) Beta-secretase (1) Biochemical Assay Reagents (238) Btk (1) c-Kit (1) Calcium Channel (2) Carbonic Anhydrase (2) Carboxylesterase (CES) (1) Carboxypeptidase (1) Casein Kinase (1) Caspase (6) Cathepsin (10) CDK (1) Ceramidase (1) Cholinesterase (ChE) (4) COX (2) Cytochrome P450 (9) Deubiquitinase (1) Dihydroorotate Dehydrogenase (2) Dipeptidyl Peptidase (3) DNA/RNA Synthesis (21) Dopamine Receptor (1) Drug Derivative (2) Drug Intermediate (7) EGFR (2) Endogenous Metabolite (122) Enterovirus (1) Environmental Pollutants (1) Estrogen Receptor/ERR (1) Factor XI (1) Fatty Acid Synthase (FASN) (2) Fluorescent Dye (41) Fructose-1,6-bisphosphate aldolase (1) Fungal (1) Furin (2) Galectin (1) Glucosylceramide Synthase (GCS) (5) Glycosidase (34) Glycosyltransferase (7) Guanylate Cyclase (1) HDAC (1) Herbicide (1) Histone Acetyltransferase (2) HMG-CoA Reductase (HMGCR) (1) HSV (1) Integrin (1) Interleukin Related (2) Isotope-Labeled Compounds (19) Leukotriene Receptor (1) Ligands for E3 Ligase (1) Lipase (2) mAChR (6) Mitochondrial Metabolism (2) MMP (4) Monoamine Oxidase (1) mRNA (2) mTOR (1) Myosin (1) NF-κB (3) NO Synthase (1) Notch (1) Nucleoside Antimetabolite/Analog (10) OGT (3) Ornithine decarboxylase (ODC) (1) p38 MAPK (1) PAI-1 (3) PARP (3) PDK-1 (1) Phosphatase (6) Phosphodiesterase (PDE) (1) Phospholipase (4) Photosensitizer (1) PKA (1) PKC (3) Poly(ADP-ribose) Glycohydrolase (PARG) (5) Protease Activated Receptor (PAR) (3) Proteasome (1) Reactive Oxygen Species (ROS) (5) Reference Standards (23) Renin (1) SARS-CoV (3) Ser/Thr Protease (9) Sialyltransferase (2) Sirtuin (3) Sodium Channel (1) SULT (1) Thrombin (1) Thymidylate Synthase (1) TNF Receptor (3) Transmembrane Glycoprotein (1) Tyrosinase (4) UGT (3) VEGFR (1) β-glucuronidase (3) γ-Glutamyl Transferase (GGT) (1)
By Research Areas:	Cancer (73) Cardiovascular Disease (18) Endocrinology (10) Infection (28) Inflammation/Immunology (35) Metabolic Disease (102) Neurological Disease (42)
Click Chemistry:	Azide (5)
Oligonucleotides:	Nucleoside Analogs (1) Nucleotide Analogs (4) Chemokine & Receptors (1) Uridine (1) Solubilizing Agents (1) mRNA (2) Freeze-drying Protective Agents (1) Adenine Nucleotide (3)

616

Inhibitors & Agonists

Screening Libraries

Fluorescent Dyes

257

Biochemical Assay Reagents

Peptides

MCE Kits

Inhibitory Antibodies

Natural
Products

Isotope-Labeled Compounds

Click Chemistry

Oligonucleotides

Targets Recommended: MARCKS Peroxidase Enzyme E1/E2/E3 Enzyme Carnosine-cleaving Enzyme Proteolytic Enzyme Endothelin-Converting Enzyme (ECE) Angiotensin-converting Enzyme (ACE) IRE1 NEDD8-activating Enzyme IDE TET Protein

Cat. No.	Product Name	Target	Research Areas	Chemical Structure

HY-137875

Hippuryl-His-Leu-OH hydrate N-Benzoyl-Gly-His-Leu hydrate	Angiotensin-converting Enzyme (ACE) Amino Acid Derivatives	Cardiovascular Disease
Hippuryl-His-Leu-OH (N-Benzoyl-Gly-His-Leu) hydrate is a specific substrate for angiotensin-converting enzyme ACE I and is a molecular tool used for ACE activity detection in in vitro experiments. Hippuryl-His-Leu-OH hydrate is hydrolyzed by ACE through competitive binding. Under ACE catalysis, Hippuryl-His-Leu-OH hydrate undergoes hydrolysis to produce hippuric acid (HA). The amount of HA produced can be used to quantitatively assess ACE activity or screen for ACE inhibitors. The His-Leu released from Hippuryl-His-Leu-OH hydrate can also react with o-phthalaldehyde or Fluorescamine (HY-D0715) for fluorescence detection. Hippuryl-His-Leu-OH hydrate can be applied to the in vitro screening of ACE inhibitors for hypertension and cardiovascular diseases, and is also used in the study of changes in ACE activity during physiological and pathological processes such as renal compensatory hypertrophy .

HY-D0904

Acetylthiocholine iodide S-Acetylthiocholine iodide; ATCh iodide	Biochemical Assay Reagents	Others
Acetylthiocholine iodide can be used as a substrate for certain enzymes, such as cholinesterase, etc., and can be used to determine the activity level of these enzymes. In addition, the compound is used in some medical research, for example in the fields of neuroscience and organ physiology.

HY-W014449

4-Nitrophenyl butyrate	Biochemical Assay Reagents	Others
4-Nitrophenyl butyrate consists of butyric acid chains esterified with 4-nitrophenol groups, thus giving it a yellow color. This compound is commonly used as a substrate in enzyme assays to measure esterase and lipase activity. When these enzymes cleave the ester bond, the nitrophenol group is released and the color changes from yellow to orange. Thus, the rate of color change can be used to determine enzyme activity. In addition, 4-Nitrophenyl butyrate can also be used as organic synthesis reagent and dye intermediate.

HY-15906

AMPPD 1 Publications Verification Lumi-Phos Plus; Lumigen PPD; PPD	Phosphatase	Others
AMPPD (Lumi-Phos Plus; Lumigen PPD) is a chemiluminescent substrate for alkaline phosphatase (APase). AMPPD is hydrolyzed by APase to generate an unstable dioxetane intermediate, and the intermediate releases a chemiluminescent signal when it decomposes. The luminescent signal of AMPPD can be detected by highly sensitive equipment, thereby achieving quantitative analysis of the target molecule. AMPPD can be used in ultrasensitive enzyme-linked immunosorbent assays (such as quantitative detection of human tissue kininogen), chemiluminescent detection of proteins and nucleic acids, and other fields .

HY-P1315

Papain inhibitor Glycylglycyl-L-tyrosyl-L-arginine	Cathepsin	Others
Papain inhibitor (Glycylglycyl-L-tyrosyl-L-arginine) is a competitive papain-targeting enzyme inhibitor with a K_i of 9 μM. Papain inhibitor binds directly to the substrate binding site of papain, inhibiting substrate hydrolysis by the enzyme. Papain inhibitor functions as a component of an electrochemical probe for the detection of papain .

HY-153102

G3-CNP	Biochemical Assay Reagents	Others
G3-CNP is an α-amylase substrate. The absorbance of G3-CNP cleavage product 2-chloro-4-nitrophenol is measured at 405 nm, which can be used to detect enzyme activity .

HY-E70336

Peroxidase, Lignin	Endogenous Metabolite	Others
Peroxidase, Lignin is a biocatalyst and a key enzyme in new biocatalyst technology. Enzyme engineering focuses on enhancing enzyme reaction kinetics, substrate selectivity, and activity under harsh conditions such as low or high pH. By introducing stimulus responsiveness to these enzyme modifications, dynamic control of activity is also possible .

HY-B1746

Pyridoxamine 5′-phosphate	Endogenous Metabolite	Neurological Disease
Pyridoxamine 5′-phosphate is the active form of vitamin B6 bound to phosphoric acid. Pyridoxamine 5′-phosphate is the aminated form of Pyridoxal 5'-?phosphate monohydrate (HY-W011727A) and as co-factor of a variety of enzymes central metabolite, potent antioxidant, vitamin B6 vitamer and enzyme substrate. Pyridoxamine 5′-phosphate can be interconverted with pyridoxal 5'-phosphate hydrate .

HY-P3008

Submandibular mucin	Biochemical Assay Reagents	Others
Submandibular mucin is a high molecular weight glycoprotein that is used as a substrate for the viral enzyme neuraminidase .

HY-P3749

Mca-(ala7,lys(dnp)9)-bradykinin	Fluorescent Dye	Others
Mca-(ala7,lys(dnp)9)-bradykinin is a sensitive fluorogenic substrate for ECE-1 (endothelin-converting enzyme-1). The incorporation of a (7-methoxycoumarin-4-yl)acetyl (Mca) fluorescent group and a 2,4-dinitrophenyl (Dnp) quenching group has resulted in a large fluorescence increase upon substrate cleavage .

HY-137855

4-Methylumbelliferyl sulfate potassium	Biochemical Assay Reagents	Others
4-Methylumbelliferyl sulfate (potassium), a fluorescent substrate, is commonly used to detect sulfatase activity in biochemical and biomedical research. It consists of a sulfate group attached to a fluorescent molecule, which can be cleaved by sulfatase enzymes. Upon cleavage, 4-Methylumbelliferyl sulfate releases a highly fluorescent product that can be detected using fluorescence microscopy or spectroscopy. The use of 4-Methylumbelliferyl sulfate as a substrate for sulfatase enzymes allows accurate detection and quantification of these enzymes in a variety of biological samples.

HY-137840

Hippuryl-L-phenylalanine	Carboxypeptidase	Cancer
Hippuryl-L-phenylalanine is a substrate of carboxypeptidase. Carboxypeptidase is a protease enzyme that related with obesity, epilepsy and neurodegeneration. Hippuryl-L-phenylalanine can be used for the determination of carboxypeptidase activity .

HY-D0149

4-(Trifluoromethyl)umbelliferone	Cytochrome P450	Others
4-(Trifluoromethyl)umbelliferone is fluorescent probe substrate for rat hepatic cytochrome P450 enzymes .

HY-E70519

Tyramine oxidase, Microorganism	Monoamine Oxidase	Cardiovascular Disease Neurological Disease
Tyramine oxidase, Microorganism (EC 1.4.3.4) is a copper enzyme found in the cytoplasm of animal cells that catalyzes the oxidation of phenolic amine substrates. Tyramine oxidase, Microorganism involves in the metabolism and clearance of phenolamine compounds and has an important role in maintaining homeostasis in vivo. Tyramine oxidase, Microorganism is promising for research of hypertension, asthma, and depression .

HY-W045537

5-Bromo-4-chloro-1H-indol-3-yl phosphate sodium	Biochemical Assay Reagents	Others
Sodium 5-bromo-4-chloro-1H-indol-3-yl phosphate is commonly used as a substrate for phosphatase assays in biochemistry and molecular biology. This compound is converted by phosphatases to a yellow compound that can be easily measured spectrophotometrically or fluorometrically. Furthermore, it has been used as a useful reagent in enzyme-catalyzed reactions and a tool for studying signal transduction pathways.

HY-137249

Resorufin-β-D-galactopyranoside	Biochemical Assay Reagents	Others
Resorufin-β-D-galactopyranoside is a commonly used substrate in various biochemical assays to measure the activity of β-galactosidase, an important enzyme involved in lactose metabolism and regulation of gene expression. Resorufin-β-D-galactopyranoside has unique chemical properties and can be hydrolyzed by β-galactosidase to form a red fluorescent product called resorufin. This makes it a useful tool for detecting and quantifying β-galactosidase activity in biological samples such as bacteria or mammalian cells.

HY-D1208

Alkaline phosphatase substrate	Biochemical Assay Reagents Phosphatase	Others
Alkaline phosphatase substrate is a chemiluminescent substrate for alkaline phosphatase. Alkaline phosphatase substrate can be used for enzyme-linked immunoassays .

HY-P1853

Abz-FR-K(Dnp)-P-OH	Angiotensin-converting Enzyme (ACE)	Cardiovascular Disease
Abz-FR-K(Dnp)-P-OH is an angiotensin I-converting enzyme (ACE) substrate and an internally quenched fluorogenic substrate for real time fluorescent assay .

HY-E70333

Microgranulated pectolytic enzyme AR2000	Endogenous Metabolite	Others
Microgranulated pectolytic enzyme is a biocatalyst and a key enzyme in new biocatalyst technology. Enzyme engineering focuses on enhancing enzyme reaction kinetics, substrate selectivity, and activity under harsh conditions such as low or high pH. By introducing stimulus responsiveness to these enzyme modifications, dynamic control of activity is also possible .

HY-E70332

Lipase, Aspergillus niger	Endogenous Metabolite	Others
Lipase, Aspergillus niger is a biocatalyst and a key enzyme in new biocatalyst technology. Enzyme engineering focuses on enhancing enzyme reaction kinetics, substrate selectivity, and activity under harsh conditions such as low or high pH. By introducing stimulus responsiveness to these enzyme modifications, dynamic control of activity is also possible .

HY-W015996

4-Nitrophenyl-N-acetyl-α-D-galactosaminide pNP-GalNAc	Fluorescent Dye	Others
4-Nitrophenyl-N-acetyl-α-D-galactosaminide (pNP-GalNAc) can be used as a chromogenic substrate for N-acetyl-D-galactosaminase. 4-Nitrophenyl-N-acetyl-α-D-galactosaminide is cleaved by N-acetyl-D-galactosaminase to generate a yellow solution. The enzyme activity is quantitatively determined by absorbance detection .

HY-W100403

Choline tosylate Choline p-toluenesulfonate	Phospholipase	Others
Choline tosylate (Choline p-toluenesulfonate) is an intermediate and also a substrate of choline acetyltransferase (CHAT). Choline tosylate inhibits phospholipase A2 and phospholipase C .

HY-P4426A

Lys-Pro-AMC diTFA	Fluorescent Dye	Others
Lys-Pro-AMC diTFA is a fluorogenic substrate for the detection and measurement of the activity of specific enzymes .

HY-E70335

Colipase, Porcine	Endogenous Metabolite	Others
Colipase, Porcine is a biocatalyst and a key enzyme in new biocatalyst technology. Enzyme engineering focuses on enhancing enzyme reaction kinetics, substrate selectivity, and activity under harsh conditions such as low or high pH. By introducing stimulus responsiveness to these enzyme modifications, dynamic control of activity is also possible .

HY-P4500

Z-Arg-Arg-pNA	Cathepsin	Others
Z-Arg-Arg-pNA is a substrate for cathepsin B and can be used to detect this enzyme activity .

HY-E70353

Trypsin-Chymotrypsin 6:1	Endogenous Metabolite	Others
Trypsin-Chymotrypsin 6:1 is a biocatalyst and a key enzyme in new biocatalyst technology. Enzyme engineering focuses on enhancing enzyme reaction kinetics, substrate selectivity, and activity under harsh conditions such as low or high pH. By introducing stimulus responsiveness to these enzyme modifications, dynamic control of activity is also possible .

HY-W098322

Z-Lys-OMe hydrochloride	Drug Intermediate	Others
Z-Lys-OMe hydrochloride is a synthetic intermediate that can be used in the synthesis of peptide enzyme substrates and lysine cationic surfactants.

HY-134459

4-Nitrophenyl Laurate	Others	Others
4-Nitrophenyl Laurate is a class of 4-nitrophenyl ester, which can be used as enzyme substrate .

HY-139162

BGN3	Biochemical Assay Reagents	Others
BGN3 is a good substrate for the SNAP-tag ^? and H ⁵ enzymes. The activities of SNAP-tag ^? and H ⁵ enzymes on BGN3 are reasonable (IC₅₀= 15.6 and 23.5 μM, respectively) . BGN3 is a click chemistry reagent, it contains an Azide group and can undergo copper-catalyzed azide-alkyne cycloaddition reaction (CuAAc) with molecules containing Alkyne groups. It can also undergo strain-promoted alkyne-azide cycloaddition (SPAAC) reactions with molecules containing DBCO or BCN groups.

HY-137872

L-Leucyl-4-nitroanilide hydrochloride	Biochemical Assay Reagents	Others
L-Leucyl-4-nitroanilide hydrochloride is a commonly used substrate in various biochemical assays to measure the activity of enzymes that cleave peptide bonds, such as proteases. L-Leucine p-nitroanilide hydrochloride has unique chemical properties that allow it to be cleaved by these enzymes to form a yellow product called p-nitroaniline. This makes it a useful tool for detecting and quantifying protease activity in biological samples such as blood or tissue extracts.

HY-P4484

Suc-AAPK-pNA	Biochemical Assay Reagents	Others
Suc-AAPK-pNA is a chromogenic substrate for the determination of serine/threonine kinase activity and enzyme kinetic parameters .

HY-W540661

Hyaluronic acid tetrasaccharide, 98%	Biochemical Assay Reagents	Others
Hyaluronic acid tetrasaccharide, 98% is a naturally occurring polysaccharide found in the extracellular matrix of connective tissues. Hyaluronic acid tetrasaccharide can be used as a substrate for enzyme assays to characterize hyaluronidases and other hyaluronic acid-degrading enzymes.

HY-P3948

Fluorescent Substrate for Pro-Specific Proteases	Fluorescent Dye	Others
Fluorescent Substrate for Pro-Specific Proteases is a fluorescent substrate of pro-specific proteases. Fluorescent Substrate for Pro-Specific Proteases can be used to detect the hydrolysis rate and activity of target enzyme .

HY-P3947

Fluorescent Substrate for Subtillsin	Ser/Thr Protease	Infection
Fluorescent Substrate for Subtillsin can be used to detect the enzyme activity of subtillsin. Subtilisin is a bacterial serine protease .

HY-114150

D-Val-Leu-Arg-pNA	PAI-1	Others
D-Val-Leu-Arg-pNA is a glandular kininoreleasing enzyme substrate that also acts as a substrate for tissue-type plasminogen activator (t-PA) with no apparent affinity for fibrin .

HY-139163

BGSN3	Biochemical Assay Reagents	Others
BGSN3 is a good substrate for the SNAP-tag ^? and H ⁵ enzymes. The activities of SNAP-tag ^? and H ⁵ enzymes on BGSN3 are reasonable (IC₅₀=17.8 and 10 μM, respectively) . BGSN3 is a click chemistry reagent, it contains an Azide group and can undergo copper-catalyzed azide-alkyne cycloaddition reaction (CuAAc) with molecules containing Alkyne groups. It can also undergo strain-promoted alkyne-azide cycloaddition (SPAAC) reactions with molecules containing DBCO or BCN groups.

HY-123000

4-Methylumbelliferyl 2-acetamido-2-deoxy-α-D-galactopyranoside	Biochemical Assay Reagents
4-Methylumbelliferyl 2-acetamido-2-deoxy-α-D-galactopyranoside is a fluorogenic substrate for studying the enzymatic activity of α-galactosidase. 4-Methylumbelliferyl 2-acetamido-2-deoxy-α-D-galactopyranoside is used to analyze enzyme activity in various biological samples, helping scientists gain insight into the function of the enzyme in vivo. 4-Methylumbelliferyl 2-acetamido-2-deoxy-α-D-galactopyranoside can also be used to screen potential compounds to inhibit or activate this enzyme.

HY-P3878

Renin substrate 1	Renin	Cardiovascular Disease
Renin substrate 1 is a renin substrate with high affinity to the enzyme .

HY-W017353

Pseudopelletierine	Biochemical Assay Reagents	Others
Pseudopelletierine is an alkaloid compound that can be used as a enzyme substrate .

HY-P3363

Z-DEVD-AMC	Caspase	Cancer
Z-DEVD-AMC is a selective caspase-3 substrate that can be measured by fluorescence spectrometry. AMC can be used as a fluorescence reference standard for AMC-based enzyme substrates including AMC-based caspase substrates .

HY-138653

Lipase Substrate DGGR; 1,2-o-Dilauryl-rac-glycero-3-glutaric acid (6′-methylresorufin) ester	Lipase	Metabolic Disease
Lipase Substrate is a chromogenic substrate of lipase to detect activity . It is used in colorimetric methods to measure lipase activity. It produces a red-purple compound, methylresorufin, upon digestion by the lipase enzyme.

HY-E70337

Heparanase 1, Human	Endogenous Metabolite	Others
Heparanase 1, Human is a biocatalyst and a key enzyme in new biocatalyst technology. Enzyme engineering focuses on enhancing enzyme reaction kinetics, substrate selectivity, and activity under harsh conditions such as low or high pH. By introducing stimulus responsiveness to these enzyme modifications, dynamic control of activity is also possible .

HY-124324

4-Nitrophenyl β-D-cellotrioside p-Nitopheyl β-D-cellotioside	Fluorescent Dye	Others
4-Nitrophenyl β-D-cellotrioside (p-Nitopheyl β-D-cellotioside) is a chromogenic substrate for endoglucanases and cellulose biohydrolases. As a fluorescent dye, nitrophenyl β-D-Cellotrioside can be hydrolyzed by enzymes to release 4-nitrophenol, producing a yellow color. The activity of the enzyme can be quantitatively analyzed by monitoring the change in absorbance at 405 nm .

HY-P11297

AC-SDKP-NH2	Angiotensin-converting Enzyme (ACE)	Cardiovascular Disease
AC-SDKP-NH2 is a substrate peptide of *Angiotensin converting enzyme* (ACE)**. AC-SDKP-NH2 has anti-inflammatory and anti-fibrotic activities. AC-SDKP-NH2 directly acts on tissues and prevents or reverses them from excessive fibrosis, but fails to reduce blood pressure and left ventricular hypertrophy (LVH). AC-SDKP-NH2 attenuates inflammation and cell differentiation, proliferation and migration, therefore reducing fibrosis in the heart, vessels and kidneys in mice model. AC-SDKP-NH2 can be used for cardiovascular diseases such as hypertension research .

HY-P4426

Lys-Pro-AMC	Fluorescent Dye	Others
Lys-Pro-AMC is a fluorogenic substrate for the detection and measurement of the activity of specific enzymes .

HY-E70331

Acid Stable Protease	Endogenous Metabolite	Others
Acid Stable Protease is a biocatalyst and a key enzyme in new biocatalyst technology. Enzyme engineering focuses on enhancing enzyme reaction kinetics, substrate selectivity, and activity under harsh conditions such as low or high pH. By introducing stimulus responsiveness to these enzyme modifications, dynamic control of activity is also possible .

HY-E70354

Protease for flavors	Endogenous Metabolite	Others
Protease for flavors is a biocatalyst and a key enzyme in new biocatalyst technology. Enzyme engineering focuses on enhancing enzyme reaction kinetics, substrate selectivity, and activity under harsh conditions such as low or high pH. By introducing stimulus responsiveness to these enzyme modifications, dynamic control of activity is also possible .

HY-E70347

Tn5 Transposase	Endogenous Metabolite	Others
Tn5 Transposase is a biocatalyst and a key enzyme in new biocatalyst technology. Enzyme engineering focuses on enhancing enzyme reaction kinetics, substrate selectivity, and activity under harsh conditions such as low or high pH. By introducing stimulus responsiveness to these enzyme modifications, dynamic control of activity is also possible .

HY-D0234

o-Cresolphthalein ortho-Cresolphthalein	Endogenous Metabolite	Others
o-Cresolphthalein (ortho-Cresolphthalein) is a biocatalyst and a key enzyme in new biocatalyst technology. Enzyme engineering focuses on enhancing enzyme reaction kinetics, substrate selectivity, and activity under harsh conditions such as low or high pH. By introducing stimulus responsiveness to these enzyme modifications, dynamic control of activity is also possible .

HY-E70352

Trypsin-Chymotrypsin 1:250	Endogenous Metabolite	Others
Trypsin-Chymotrypsin 1:250 is a biocatalyst and a key enzyme in new biocatalyst technology. Enzyme engineering focuses on enhancing enzyme reaction kinetics, substrate selectivity, and activity under harsh conditions such as low or high pH. By introducing stimulus responsiveness to these enzyme modifications, dynamic control of activity is also possible .

Cat. No.	Product Name	Category	Target	Chemical Structure

HY-12591A

D-Luciferin Maximum Cited Publications 110 Publications Verification D-(-)-Luciferin; Firefly luciferin; Beetle Luciferin	Natural Products Animals Other Diseases Disease Research Fields Source Classification	Fluorescent Dye
D-luciferin is the natural substrate of the enzyme luciferase (Luc) that catalyzes the production of the typical yellowgreen light of fireflies. The 560 nm chemiluminescence from this reaction peaks within seconds, with light output that is proportional to luciferase concentration when the substrate luciferin is present in excess. The luciferase (luc) gene is a popular reporter gene for research and agent screening. Chemiluminescent techniques are virtually background-free, making the luc reporter gene ideal for detecting low-level gene expression. As little as 0.02 pg of luciferase can be reliably measured in a standard scintillation counter. In addition to its role as a reporter of gene expression, luciferase is commonly used in an extremely sensitive assay for ATP . We of er the firefly luciferase (HY-P1004A), luciferin free acid (HY-12591A), as well as its water-soluble sodium salts (HY-12591) and potassium salts (HY-12591B) .

HY-18743

Coelenterazine 5 Publications Verification	Alkaloids Structural Classification Monophenols Animals Classification of Application Fields Other Alkaloids Phenols Polyphenols Disease Research Fields Source Classification Cancer	Reactive Oxygen Species (ROS)
Coelenterazine is a luminescent enzyme substrate for apoaequorin and Renilla luciferase. Renilla luciferase and substrate coelenterazine has been used as the bioluminescence donor in bioluminescence resonance energy transfer (BRET) to detect protein-protein interactions. Coelenterazine is a superoxide anion-sensitive chemiluminescent probe and it can also be used in chemiluminescent detection of peroxynitrite (Ex/Em = 429/466 nm) .

HY-N0667

L-Asparagine 5 Publications Verification (-)-Asparagine; Asn; Asparamide	Structural Classification Neurological Disease Classification of Application Fields Amino acids Endogenous metabolite Disease Research Fields Source Classification Cancer	Endogenous Metabolite Apoptosis DNA/RNA Synthesis
L-Asparagine is an essential amino acid for leukemic cells and a substrate for L-Asparaginase. L-Asparaginase is a potent anti-leukemic enzyme that promotes asparagine (Asn) and glutamine (Gln) depletion and inhibits protein biosynthesis in lymphoblasts. Removal of L-asparagine from plasma by L-Asparaginase results in inhibition of RNA and DNA synthesis and subsequent apoptosis. L-Asparaginase has cell-killing ability in vitro and in vivo, and selectively inhibits the growth of cancer cells with low asparagine synthetase (AASNS) expression. L-Asparagine can be used as a biomarker and sensor for the study of childhood acute lymphoblastic leukemia .

HY-113263

17a-Hydroxypregnenolone 2 Publications Verification 17-OHP5	Structural Classification Human Gut Microbiota Metabolites Immune System Disorder Classification of Application Fields Disease markers Endocrine diseases Endogenous metabolite Disease Research Fields Endocrinology Steroids Source Classification	Endogenous Metabolite
17a-Hydroxypregnenolone (17-OHP5) is a metabolite of Pregnenolone (HY-B0151) and a precursor in the biosynthesis of Dehydroepiandrosterone (HY-14650). 17a-Hydroxypregnenolone is a substrate for the enzyme 3β-hydroxysteroid dehydrogenase (3β-HSD) .

HY-W015495

L-Dihydroorotic acid 1 Publications Verification	Microorganisms Classification of Application Fields Ketones, Aldehydes, Acids Other Diseases Endogenous metabolite Disease Research Fields Source Classification	Endogenous Metabolite Dihydroorotate Dehydrogenase
L-Dihydroorotic acid is an important intermediate in the metabolism of orotic acid and a substrate of dihydroorotate dehydrogenase (DHODH). L-Dihydroorotic acid can reversibly hydrolyze to yield the acyclic L-ureidosuccinic acid by dihydrowhey enzyme .

HY-W009274

N-Acetylmuramic acid MurNAc; NAMA	Natural Products Classification of Application Fields Other Diseases Endogenous metabolite Disease Research Fields Source Classification	p38 MAPK NF-κB Bacterial
N-acetylmuramic acid is a component of the bacterial cell wall peptidoglycan, essential for maintaining cell shape and integrity . N-acetylmuramic acid inhibits spore germination by inhibiting a coat-associated hexosaminidase and a core enzyme . N-acetylmuramic acid is required by Bacteroides forsythus for proliferation and the maintenance of its cell shape . N-Acetylmuramic acid inhibits the p38 MAPK/NF-κB signaling pathway, and exhibits anti-inflammatory activity. N-Acetylmuramic acid is orally active .

HY-N2464

Maltotetraose 1 Publications Verification Amylotetraose; Fujioligo 450; α-1,4-Tetraglucose	Human Gut Microbiota Metabolites Polysaccharides Microorganisms Classification of Application Fields Gramineae Hordeum vulgare L. Metabolic Disease Plants Endogenous metabolite Disease Research Fields Saccharides Source Classification	TNF Receptor Endogenous Metabolite Bacterial Integrin NF-κB
Maltotetraose can serve as a substrate for enzyme-linked assays to measure amylase activity in biological fluids. Maltotetraose has oral active, and reduces TNF-α-induced inflammatory responses by inhibiting NF-κB activity and decreasing ICAM-1 expression. Maltotetraose also inhibits PDGF-induced vascular smooth muscle cell migration and neovascularization. Additionally, Maltotetraose derivatives can function as probes for detecting bacterial infections by targeting the maltodextrin transporter. With good long-term safety, Maltotetraose holds promise for research in atherosclerosis-related diseases .

HY-P2857

Glucoamylase, Aspergillus niger Amyloglucosidase, Aspergillus niger	Structural Classification Natural Products Microorganisms Animals Classification of Application Fields Metabolic Disease Disease Research Fields Source Classification	Endogenous Metabolite
Amyloglucosidase, Aspergillus niger (Amyloglucosidase, Aspergillus niger) is a starch-hydrolyzing enzyme with high catalytic efficiency towards soluble starch and raw starch. Amyloglucosidase, Aspergillus niger hydrolyzes α-1,4 and α-1,6 glycosidic linkages in starch and similar substrates, and primarily releases β-glucose molecules from the non-reducing ends. Amyloglucosidase, Aspergillus niger participates in glycogen metabolism and is associated with type II glycogen storage disease. Amyloglucosidase, Aspergillus niger converts starch into glucose, and is applicable to the industrial production of high-fructose syrup, ethanol and other fermented products .

HY-113270

Actinine γ-Butyrobetaine; Deoxycarnitine	Structural Classification Natural Products Microorganisms Marine algae Marine natural products Endogenous metabolite Source Classification	Endogenous Metabolite
Actinine is a metabolic and pro-atherogenic intermediate with oral activity. Actinine acts as a substrate for the yeaW/X microbial enzyme complex to generate trimethylamine (TMA). Actinine accelerates atherosclerosis development in a gut microbe-dependent manner. Actinine can be used for the research of atherosclerosis .

HY-N2574

Gitogenin 2 Publications Verification	Tribulus terrester Linn. Classification of Application Fields Zygophyllaceae Metabolic Disease Plants Disease Research Fields Steroids Source Classification	Glycosidase
Gitogenin is a natural steroid isolated from the whole plant of Tribulus longipetalus. Gitogenin is a selective inhibitor of UDP-glucuronosyltransferase 1A4 (UGT1A4) and enzyme α-glucosidase with IC₅₀ values of 0.69 μM (use trifluoperazine as a substrate) and 37.2 μM, respectively, and does not inhibit the activities of major human cytochrome P450 isoforms .

HY-N0419

Quercimeritrin 2 Publications Verification Quercetin-7-O-β-D-glucopyranoside	Flavonols Structural Classification Ginkgoaceae Classification of Application Fields Metabolic Disease Plants Compositae Endogenous metabolite Ginkgo biloba Human Gut Microbiota Metabolites Flavonoids Derris scandens Disease Research Fields Source Classification	Glycosidase c-Kit MMP VEGFR Aurora Kinase
Quercimeritrin (Quercetin-7-O-β-D-glucopyranoside) is an orally active α-glucosidase inhibitor (with an IC₅₀ of 79.88 μM against the Saccharomyces cerevisiae enzyme) and a P-gp substrate, with anti-angiogenic and antioxidant activities. Quercimeritrin does not cross the blood-brain barrier and does not inhibit cytochrome P450 enzymes. Quercimeritrin precisely binds to and inhibits the active sites of c-Kit, MMP-2, Aurora-A kinases and α-glucosidase, thereby disrupting target functions. Quercimeritrin effectively regulates postprandial blood glucose and also exhibits significant anti-angiogenic activity, which inhibits endothelial cell proliferation and microvascular growth. Quercimeritrin can be used in the research of diabetes and breast cancer .

HY-W017443

L-Asparagine monohydrate 5 Publications Verification	Classification of Application Fields Metabolic Disease Amino acids Endogenous metabolite Disease Research Fields Source Classification	Endogenous Metabolite Apoptosis DNA/RNA Synthesis
L-Asparagine monohydrate is an essential amino acid for leukemic cells and a substrate for L-Asparaginase. L-Asparaginase is a potent anti-leukemic enzyme that promotes asparagine (Asn) and glutamine (Gln) depletion and inhibits protein biosynthesis in lymphoblasts. Removal of L-asparagine from plasma by L-Asparaginase results in inhibition of RNA and DNA synthesis and subsequent apoptosis. L-Asparaginase has cell-killing ability in vitro and in vivo, and selectively inhibits the growth of cancer cells with low asparagine synthetase (AASNS) expression. L-Asparagine monohydrate can be used as a biomarker and sensor for the study of childhood acute lymphoblastic leukemia .

HY-B1746

Pyridoxamine 5′-phosphate	Alkaloids Human Gut Microbiota Metabolites Neurological Disease Classification of Application Fields Pyridine Alkaloids Endogenous metabolite Disease Research Fields Source Classification	Endogenous Metabolite
Pyridoxamine 5′-phosphate is the active form of vitamin B6 bound to phosphoric acid. Pyridoxamine 5′-phosphate is the aminated form of Pyridoxal 5'-?phosphate monohydrate (HY-W011727A) and as co-factor of a variety of enzymes central metabolite, potent antioxidant, vitamin B6 vitamer and enzyme substrate. Pyridoxamine 5′-phosphate can be interconverted with pyridoxal 5'-phosphate hydrate .

HY-134421

2-Butenoyl coenzyme A lithium	Human Gut Microbiota Metabolites Microorganisms Endogenous metabolite Source Classification	HMG-CoA Reductase (HMGCR)
2-Butenoyl coenzyme A lithium is an inactivator and a substrate of Plasmodium falciparum enoyl-β-hydroxyacyl-acyl carrier protein (ACP) reductase and other enoyl-CoA reductases, and it is also the lithium salt of trans-2-methyl-2-butenoyl coenzyme A. 2-Butenoyl coenzyme A lithium acts on short-chain and medium-chain coenzyme A dehydrogenases as well as glutaryl-CoA dehydrogenase, and shows no activity against wild-type isovaleryl-CoA dehydrogenase. 2-Butenoyl coenzyme A lithium functions as a metabolite in the L-isoleucine catabolic pathway, and can serve as a substrate in the activity assay of 3-ketothiolase. 2-Butenoyl coenzyme A lithium is applicable to research related to 3-ketothiolase deficiency .

HY-N5132

(-)-Fenchone	Structural Classification Other Monoterpenes Classification of Application Fields Terpenoids Other Diseases Umbelliferae Plants Vernonia Schreb. Disease Research Fields Source Classification	Cytochrome P450
(-)-Fenchone is a bicyclic monoterpene and serves as a substrate for human liver microsomal cytochrome P450 enzymes CYP2A6 and CYP2B6. (-)-Fenchone is not metabolized by human CYP1A1, CYP1A2, CYP1B1, CYP2C8, CYP2C9, CYP2C19, CYP2D6, CYP2E1, or CYP3A4 enzymes. (-)-Fenchone undergoes hydroxylation to produce 6-exo-hydroxyfenchone, 6-endo-hydroxyfenchone, and 10-hydroxyfenchone. During the metabolism of (-)-Fenchone, CYP2A6 may play a more important role than CYP2B6 .

HY-164642

Ribulose 1,5-bisphosphate RuBP	Structural Classification Natural Products Endogenous metabolite Source Classification	Endogenous Metabolite
Ribulose 1,5-bisphosphate (RUBP) is a vital photosynthetic intermediate and substrate. Ribulose 1,5-bisphosphate acts as both product and substrate for Thermococcus kodakarensis KOD1 R15Pi. Ribulose 1,5-bisphosphate tightly binds to inactive RuBP carboxylase sites in plant leaves.Ribulose 1,5-bisphosphate serves as the key substrate for CO₂ fixation in photosynthesis. Ribulose 1,5-bisphosphate supports carboxylation and regeneration processes in photosynthesis. Ribulose 1,5-bisphosphate determines the dynamic transition temperature of photosynthetic control. Ribulose 1,5-bisphosphate can be used for photosynthesis and enzyme mechanism research .

HY-113143A

Galactose 1-phosphate Potassium salt	Structural Classification Classification of Application Fields Metabolic Disease Endogenous metabolite Disease Research Fields Saccharides Source Classification	Endogenous Metabolite
Galactose 1-phosphate Potassium salt acts as a competitive substrate inhibitor of galactose-1-phosphate uridylyltransferase (GALT). Galactose 1-phosphate Potassium salt is a competitive inhibitor of Phosphoglucomutase, yet the rate at which this enzyme converts Galactose 1-phosphate to Galactose-6-phosphate is 400 times slower than the rate of converting Glucose-1-phosphate. Galactose 1-phosphate Potassium salt can be used in studies related to Saccharomyces cerevisiae infection and type I galactosemia .

HY-114327

D-Ribose 1,5-diphosphate R15P	Microorganisms Source Classification	Endogenous Metabolite Drug Intermediate Biochemical Assay Reagents
D-Ribose 1,5-diphosphate (R15P) is a metabolic intermediate and enzyme substrate. Purified Tk-E2b2 converts D-Ribose 1,5-diphosphate into Ribulose-1,5-bisphosphate, with a specific activity of 32.3 μmol min ^-1 mg ^-1[1] .

HY-79334

(S)-(+)-1,2-Propanediol	Natural Products Human Gut Microbiota Metabolites Classification of Application Fields Other Diseases Endogenous metabolite Disease Research Fields Source Classification	Endogenous Metabolite
(S)-(+)-1,2-Propanediol is an endogenous metabolite. (S)-(+)-1,2-Propanediol can be used as an organic solvent and diluent in drug preparations. (S)-(+)-1,2-Propanediol can also be used as a chiral synthetic intermediate and a substrate for enzyme research .

HY-W015616

Benzylacetone 4-Penylbutan-2-one	Structural Classification Classification of Application Fields Ketones, Aldehydes, Acids Thymelaeaceae Metabolic Disease Plants Aquilaria sinensis (Lour.) Spreng. Disease Research Fields Source Classification	Environmental Pollutants Tyrosinase
Benzylacetone (4-Penylbutan-2-one) is an aromatic compound. Benzylacetone is a mushroom tyrosinase inhibitor with an IC₅₀ of 2.8 mM, a K_i of 1.25 mM for monophenolase and an IC₅₀ of 0.6 mM, a K_i of 0.39 mM for diphenolase. Benzylacetone inhibits free mushroom tyrosinase and enzyme-substrate complex. Benzylacetone acts as an appetite enhancer via olfactory stimulation, reduces spontaneous locomotor activity, induces weight gain. Benzylacetone exhibits repellent, fumigant, and contact toxicity against Tribolium castaneum adults .

HY-N0667R

L-Asparagine (Standard) (-)-Asparagine (Standard); Asn (Standard); Asparamide (Standard)	Structural Classification Immune System Disorder Microorganisms Disease markers Amino acids Nervous System Disorder Endogenous metabolite Cardiovascular System Disorder Cancer Source Classification	Reference Standards Endogenous Metabolite Apoptosis DNA/RNA Synthesis
L-Asparagine (Standard) is the analytical standard of L-Asparagine (HY-N0667). This product is intended for research and analytical applications. L-Asparagine is an essential amino acid for leukemic cells and a substrate for L-Asparaginase. L-Asparaginase is a potent anti-leukemic enzyme that promotes asparagine (Asn) and glutamine (Gln) depletion and inhibits protein biosynthesis in lymphoblasts. Removal of L-asparagine from plasma by L-Asparaginase results in inhibition of RNA and DNA synthesis and subsequent apoptosis. L-Asparaginase has cell-killing ability in vitro and in vivo, and selectively inhibits the growth of cancer cells with low asparagine synthetase (AASNS) expression. L-Asparagine can be used as a biomarker and sensor for the study of childhood acute lymphoblastic leukemia .

HY-116750

6-Hydroxykaempferol	Flavonols Flavonoids Trifolium repens Linn. Leguminosae Plants Source Classification	Tyrosinase
6-Hydroxykaempferol, a flavonoid, is a competitive tyrosinase inhibitor with an IC₅₀ value of 124 μM. 6-Hydroxykaempferol has a K_i value of 148 μM relative to L-DOPA as a substrate and effectively inhibits the activity of the enzyme by binding to the active site of the enzyme .

HY-W015495R

L-Dihydroorotic acid (Standard)	Structural Classification Microorganisms Ketones, Aldehydes, Acids Endogenous metabolite Source Classification	Reference Standards Endogenous Metabolite Dihydroorotate Dehydrogenase
L-Dihydroorotic acid (Standard) is an analytical reference standard for L-Dihydroorotic acid. This product is used for research and analytical applications. L-Dihydroorotic acid is an important intermediate in the metabolism of orotic acid and a substrate of dihydroorotate dehydrogenase (DHODH). L-Dihydroorotic acid can reversibly hydrolyze to yield the acyclic L-ureidosuccinic acid by dihydrowhey enzyme .

HY-79334R

(S)-(+)-1,2-Propanediol (Standard)	Structural Classification Natural Products Human Gut Microbiota Metabolites Microorganisms Endogenous metabolite Source Classification	Reference Standards Endogenous Metabolite
(S)-(+)-1,2-Propanediol (Standard) is the analytical standard of (S)-(+)-1,2-Propanediol. This product is intended for research and analytical applications. (S)-(+)-1,2-Propanediol is an endogenous metabolite. (S)-(+)-1,2-Propanediol can be used as an organic solvent and diluent in drug preparations. (S)-(+)-1,2-Propanediol can also be used as a chiral synthetic intermediate and a substrate for enzyme research.

HY-W747907

4-Pyridoxolactone β-Pyracin	Structural Classification Natural Products Endogenous metabolite Source Classification	Endogenous Metabolite
4-Pyridoxolactone (β-Pyracin) is a critical substrate in vitamin B6 degradation pathway I, primarily involved in the vitamin B6 metabolic process mediated by soil microorganisms. 4-Pyridoxolactone serves as the specific substrate for 4-pyridoxolactonase, undergoing a zinc-dependent lactone-ring hydrolysis reaction catalyzed by this enzyme to generate 4-pyridoxic acid (4PA) .

HY-113143

Galactose 1-phosphate	Structural Classification Human Gut Microbiota Metabolites Microorganisms Classification of Application Fields Metabolic Disease Endogenous metabolite Disease Research Fields Saccharides Source Classification	Endogenous Metabolite
Galactose 1-phosphate acts as a competitive substrate inhibitor of galactose-1-phosphate uridylyltransferase (GALT). Galactose 1-phosphate is a competitive inhibitor of Phosphoglucomutase, yet the rate at which this enzyme converts Galactose 1-phosphate to Galactose-6-phosphate is 400 times slower than the rate of converting Glucose-1-phosphate. Galactose 1-phosphate can be used in studies related to Saccharomyces cerevisiae infection and type I galactosemia .

HY-W017443R

L-Asparagine monohydrate (Standard)	Structural Classification Amino acids Endogenous metabolite Source Classification	Reference Standards Endogenous Metabolite Apoptosis DNA/RNA Synthesis
L-Asparagine monohydrate (Standard) is the analytical standard of L-Asparagine monohydrate (HY-W017443). This product is intended for research and analytical applications. L-Asparagine monohydrate is an essential amino acid for leukemic cells and a substrate for L-Asparaginase. L-Asparaginase is a potent anti-leukemic enzyme that promotes asparagine (Asn) and glutamine (Gln) depletion and inhibits protein biosynthesis in lymphoblasts. Removal of L-asparagine from plasma by L-Asparaginase results in inhibition of RNA and DNA synthesis and subsequent apoptosis. L-Asparaginase has cell-killing ability in vitro and in vivo, and selectively inhibits the growth of cancer cells with low asparagine synthetase (AASNS) expression. L-Asparagine monohydrate can be used as a biomarker and sensor for the study of childhood acute lymphoblastic leukemia .

HY-N10191

Hydroaurantiogliocladin	Microorganisms Classification of Application Fields Phenols Polyphenols Metabolic Disease Disease Research Fields Source Classification	Cytochrome P450
Hydroaurantiogliocladin is a quinol. Hydroaurantiogliocladin can be used as substrate for the quinol-cytochrome c oxidoreductase activity (beef heart enzyme) .

HY-N2464R

Maltotetraose (Standard) Amylotetraose (Standard); Fujioligo 450 (Standard); α-1,4-Tetraglucose (Standard)	Structural Classification Human Gut Microbiota Metabolites Polysaccharides Microorganisms Gramineae Hordeum vulgare L. Plants Endogenous metabolite Saccharides Source Classification	TNF Receptor Reference Standards Endogenous Metabolite Bacterial
Maltotetraose (Standard) is the analytical standard of Maltotetraose. This product is intended for research and analytical applications. Maltotetraose can be used as a substrate for the enzyme-coupled determination of amylase activity in biological fluids.

HY-B1746R

Pyridoxamine 5′-phosphate (Standard)	Alkaloids Human Gut Microbiota Metabolites Pyridine Alkaloids Endogenous metabolite Source Classification	Reference Standards Endogenous Metabolite
Sacubitril (sodium) (Standard) is the analytical standard of Sacubitril (sodium). This product is intended for research and analytical applications. Sacubitril sodium is a potent and orally active NEP (neprilysin) inhibitor, with an IC50 of 5 nM. Sacubitril sodium enhances the tone of the natriuretic peptide (NP) system and exerts significant antihypertensive effects. Sacubitril sodium is a component of the heart failure medicine LCZ696. Sacubitril sodium can be used for the research of heart failure, hypertension and COVID-19 .

HY-125564

Acetyltrialanine	Natural Products Microorganisms Source Classification	Aminopeptidase
Acetyltrialanine is a peptide containing three amino acid residues in which the N-terminal amino acid is acetylated and used as a substrate for Nα-acetyl alanine aminopeptidase in order to study the activity and properties of the enzyme. Acetyltrialanine can be used in the study of protein degradation and N-terminal regulation .

HY-W016813R

trans-Aconitic acid (Standard)	Structural Classification Human Gut Microbiota Metabolites Immune System Disorder Microorganisms Ketones, Aldehydes, Acids Disease markers Nervous System Disorder Endogenous metabolite Cancer Source Classification	Reference Standards Endogenous Metabolite
trans-Aconitic acid (Standard) is the analytical standard of trans-Aconitic acid. This product is intended for research and analytical applications. trans-Aconitic acid is present in normal human urine, and it has been suggested that is present in larger amounts with Reye's syndrome and organic aciduria. trans-Aconitic acid is a substrate of enzyme trans-aconitate 2-methyltransferase.

HY-N7263

Galanthamine N-Oxide	Alkaloids other families Plants Source Classification	Cholinesterase (ChE)
Galanthamine N-Oxide is an alkaloid obtained from the bulbs of Zephyranthes concolor. Galanthamine N-Oxide inhibits electric eel acetylcholinesterase (AChE) with an EC₅₀ of 26.2 μM. Galanthamine N-Oxide is a prominent inhibitor of substrate accommodation in the active site of the Torpedo californica AChE (TcAChE), hAChE and hBChE enzymes .

HY-134425

β-Methylcrotonyl coenzyme A lithium	Natural Products Classification of Application Fields Metabolic Disease Endogenous metabolite Disease Research Fields Source Classification	Endogenous Metabolite
β-Methylcrotonyl coenzyme A lithium is an intermediate in leucine metabolism and can be used as a substrate to study the specificity and kinetics of β-methylcrotonyl coenzyme A carboxylase (MCCase) .

HY-N3855

Erythrabyssin II	Leguminosae Phenols Polyphenols Plants Erythrina crista-galli Linn. Source Classification	Autophagy Apoptosis
Erythrabyssin II (EL-19) is a potent late-stage autophagy inhibitor that blocks the fusion of autophagosome and lysosome. Erythrabyssin II leads to the accumulation of autophagic substrates and does not impair lysosomal pH or lysosomal enzyme activity. Erythrabyssin II suppresses ovarian cancer organoid activity and induces apoptosis. Erythrabyssin II can be used for the study of ovarian cancer .

HY-N2574R

Gitogenin (Standard)	Tribulus terrester Linn. Structural Classification Zygophyllaceae Plants Steroids Source Classification	Reference Standards Glycosidase
Gitogenin (Standard) is the analytical standard of Gitogenin. This product is intended for research and analytical applications. Gitogenin is a natural steroid isolated from the whole plant of Tribulus longipetalus. Gitogenin is a selective inhibitor of UDP-glucuronosyltransferase 1A4 (UGT1A4) and enzyme α-glucosidase with IC₅₀ values of 0.69 μM (use trifluoperazine as a substrate) and 37.2 μM, respectively, and does not inhibit the activities of major human cytochrome P450 isoforms .

HY-131586

3,7-Dihydroxyflavone Resogalangin	Flavonoids Flavones Plants Fabaceae Zuccagnia punctata Cav. Source Classification	17β-HSD Estrogen Receptor/ERR Aldose Reductase
3,7-Dihydroxyflavone (Resogalangin) is a flavonoid phytoestrogen, which can be isolated from Adenophora species. 3,7-Dihydroxyflavone is a modulator of estrogen receptors and an inhibitor of human progesterone metabolizing enzyme AKR1C1 and fungal 17β-hydroxysteroid dehydrogenase and a redox inhibitor (IC₅₀=0.6 and 6.0 μM, respectively). 3,7-Dihydroxyflavone is a fluorescent binding substrate for human serum albumin (HSA) with excitation wavelengths of 370 nm (pH 7.4) and 350 nm (pH 3.5), respectively, and emission wavelength of 515 nm .

HY-W990361

(S)-Ureidoglycolic acid	Structural Classification Ketones, Aldehydes, Acids Endogenous metabolite Source Classification	Nucleoside Antimetabolite/Analog
(S)-Ureidoglycolic acid is a substrate of enzyme ureidoglycolate dehydrogenase in a purine metabolism pathway and belongs to the class of n-carbomoyl-α-amino acids .

HY-W012597

Monoethyl succinate	Structural Classification Leguminosae Ketones, Aldehydes, Acids Pisum sativum Linn Plants Source Classification	Biochemical Assay Reagents
Monoethyl succinate is a small molecule ester compound. Monoethyl succinate can be used as a model substrate for polyethylene terephthalate (PET) and poly-(butylene succinate-co-adipate) (PBSA), to simulate the interaction between the PET-degrading enzyme Cut190 and its natural substrates .

HY-B1713

Ornithine (±)-Ornithine	Structural Classification Human Gut Microbiota Metabolites Ketones, Aldehydes, Acids Endogenous metabolite Source Classification	Endogenous Metabolite Ornithine decarboxylase (ODC) Drug Intermediate
Ornithine ((±)-Ornithine) is a non-essential amino acid. Ornithine is an intermediate in urea cycle and acts as a substrate for these rate limiting enzymes ornithine transcarbomylase, ornithine aminotransferase and ornithine decarboxylase producing citrulline, proline and polyamines, respectively. Ornithine can be used in the research of hyperornithinemia, hyperammonemia, and cancer .

HY-131575

Sedoheptulose 1,7-diphosphate	Structural Classification Natural Products Microorganisms Endogenous metabolite Source Classification	Biochemical Assay Reagents
Sedoheptulose 1,7-diphosphate is a substrate for fructose bisphosphatase form B from Synechococcus leopoliensis. Sedoheptulose 1,7-diphosphate undergoes hydrolysis at the carbon 1-ester, stabilizes the activated tetrameric state of fructose bisphosphatase form B, and prevents the enzyme’s slow inactivation. Sedoheptulose 1,7-diphosphate supports fructose bisphosphatase form B-mediated bisphosphatase reactions within the reductive pentose phosphate cycle .

HY-N9868

(-)-Phaselic acid	Structural Classification Ketones, Aldehydes, Acids Rosaceae Crataegus pinnatifida Bge. Plants Source Classification	Others
(-)-Phaselic acid is a protein protectant that can be isolated from red clover (Trifolium pratense) leaves. (-)-Phaselic acid is synthesized through an acyl transfer reaction between caffeoyl-CoA and malic acid catalyzed by the HCT2 enzyme. As a substrate for endogenous polyphenol oxidase (PPO), its oxidation to o-quinone can inhibit protein degradation during forage storage. (-)-Phaselic acid can be used to improve the protein preservation performance of forage crops such as alfalfa, reducing nutritional losses during storage and environmental nitrogen pollution .

HY-W015616R

Benzylacetone (Standard) 4-Penylbutan-2-one (Standard)	Structural Classification Ketones, Aldehydes, Acids Thymelaeaceae Plants Aquilaria sinensis (Lour.) Spreng. Source Classification	Tyrosinase Reference Standards
Benzylacetone (4-Penylbutan-2-one) (Standard) is the analytical standard of Benzylacetone (HY-W015616). This product is intended for research and analytical applications. Benzylacetone is an aromatic compound. Benzylacetone is a mushroom tyrosinase inhibitor with an IC₅₀ of 2.8 mM, a K_i of 1.25 mM for monophenolase and an IC₅₀ of 0.6 mM, a K_i of 0.39 mM for diphenolase. Benzylacetone inhibits free mushroom tyrosinase and enzyme-substrate complex. Benzylacetone acts as an appetite enhancer via olfactory stimulation, reduces spontaneous locomotor activity, induces weight gain. Benzylacetone exhibits repellent, fumigant, and contact toxicity against Tribolium castaneum adults .

Cat. No.	Product Name	Chemical Structure

HY-B0150S

Nicotinamide-d4 1 Publications Verification
Nicotinamide-d₄ is the deuterium labeled Nicotinamide. Nicotinamide is a form of vitamin B3 that plays essential roles in cell physiology through facilitating NAD+ redox homeostasis and providing NAD+ as a substrate to a class of enzymes that catalyze non-redox reactions. Nicotinamide is an inhibitor of SIRT1.

HY-N0667S2

L-Asparagine-15N2 monohydrate

1 Publications Verification

L-Asparagine- ¹⁵N₂ monohydrate is the ¹⁵N-labeled L-Asparagine monohydrate (HY-W017443). L-Asparagine monohydrate is an essential amino acid for leukemic cells and a substrate for L-Asparaginase. L-Asparaginase is a potent anti-leukemic enzyme that promotes asparagine (Asn) and glutamine (Gln) depletion and inhibits protein biosynthesis in lymphoblasts. Removal of L-asparagine from plasma by L-Asparaginase results in inhibition of RNA and DNA synthesis and subsequent apoptosis. L-Asparaginase has cell-killing ability in vitro and in vivo, and selectively inhibits the growth of cancer cells with low asparagine synthetase (AASNS) expression. L-Asparagine monohydrate can be used as a biomarker and sensor for the study of childhood acute lymphoblastic leukemia .

HY-136490S

Psychosine-d5
Psychosine-d₅ is deuterium labeled Psychosine. Psychosine, a substrate of the galactocerebrosidase (GALC) enzyme, is a potential biomarker for Krabbe disease. Psychosine is a highly cytotoxic lipid, capable of inducing cell death in a wide variety of cell.

HY-N0667S5

L-Asparagine-d3 hydrate

1 Publications Verification

L-Asparagine-d₃ hydrate is the deuterium labeled L-Asparagine (HY-N0667). L-Asparagine is an essential amino acid for leukemic cells and a substrate for L-Asparaginase. L-Asparaginase is a potent anti-leukemic enzyme that promotes asparagine (Asn) and glutamine (Gln) depletion and inhibits protein biosynthesis in lymphoblasts. Removal of L-asparagine from plasma by L-Asparaginase results in inhibition of RNA and DNA synthesis and subsequent apoptosis. L-Asparaginase has cell-killing ability in vitro and in vivo, and selectively inhibits the growth of cancer cells with low asparagine synthetase (AASNS) expression. L-Asparagine can be used as a biomarker and sensor for the study of childhood acute lymphoblastic leukemia .

HY-B0150S2

Nicotinamide-13C6
Nicotinamide- ¹³C₆ is the ¹³C-labeled Nicotinamide. Nicotinamide is a form of vitamin B3 that plays essential roles in cell physiology through facilitating NAD+ redox homeostasis and providing NAD+ as a substrate to a class of enzymes that catalyze non-redox reactions. Nicotinamide is an inhibitor of SIRT1.

HY-W017443S

L-Asparagine-13C4,15N2 monohydrate

L-Asparagine- ¹³C₄, ¹⁵N₂ monohydrateis the ¹³C-labeled and ¹⁵N-labeled L-Asparagine monohydrate (HY-W017443). L-Asparagine monohydrate is an essential amino acid for leukemic cells and a substrate for L-Asparaginase. L-Asparaginase is a potent anti-leukemic enzyme that promotes asparagine (Asn) and glutamine (Gln) depletion and inhibits protein biosynthesis in lymphoblasts. Removal of L-asparagine from plasma by L-Asparaginase results in inhibition of RNA and DNA synthesis and subsequent apoptosis. L-Asparaginase has cell-killing ability in vitro and in vivo, and selectively inhibits the growth of cancer cells with low asparagine synthetase (AASNS) expression. L-Asparagine monohydrate can be used as a biomarker and sensor for the study of childhood acute lymphoblastic leukemia .

HY-B0150S1

Nicotinamide-15N,13C3
Nicotinamide- ¹⁵N, ¹³C₃ is the ¹³C-labeled and ¹⁵N-labeled Nicotinamide. Nicotinamide is a form of vitamin B3 that plays essential roles in cell physiology through facilitating NAD+ redox homeostasis and providing NAD+ as a substrate to a class of enzymes that catalyze non-redox reactions. Nicotinamide is an inhibitor of SIRT1.

HY-N0667S3

L-Asparagine-13C4 monohydrate

L-Asparagine- ¹³C₄ monohydrate is the ¹³C-labeled L-Asparagine monohydrate (HY-W017443). L-Asparagine monohydrate is an essential amino acid for leukemic cells and a substrate for L-Asparaginase. L-Asparaginase is a potent anti-leukemic enzyme that promotes asparagine (Asn) and glutamine (Gln) depletion and inhibits protein biosynthesis in lymphoblasts. Removal of L-asparagine from plasma by L-Asparaginase results in inhibition of RNA and DNA synthesis and subsequent apoptosis. L-Asparaginase has cell-killing ability in vitro and in vivo, and selectively inhibits the growth of cancer cells with low asparagine synthetase (AASNS) expression. L-Asparagine monohydrate can be used as a biomarker and sensor for the study of childhood acute lymphoblastic leukemia .

HY-136490S1

Psychosine-d7
Psychosine-d₇ is deuterium labeled Psychosine. Psychosine, a substrate of the galactocerebrosidase (GALC) enzyme, is a potential biomarker for Krabbe disease. Psychosine is a highly cytotoxic lipid, capable of inducing cell death in a wide variety of cell

HY-113263S

17a-Hydroxypregnenolone-d3
17a-Hydroxypregnenolone-d₃ (17-OHP5-d₃) is the deuterium labeled 17a-Hydroxypregnenolone (HY-113263). 17a-Hydroxypregnenolone is a metabolite of Pregnenolone (HY-B0151) and a precursor in the biosynthesis of Dehydroepiandrosterone (HY-14650). 17a-Hydroxypregnenolone is a substrate for the enzyme 3β-hydroxysteroid dehydrogenase (3β-HSD) .

HY-W017443S1

L-Asparagine-amide-15N monohydrate

L-Asparagine-amide- ¹⁵N monohydrate is the ¹⁵N-labeled L-Asparagine monohydrate (HY-W017443). L-Asparagine monohydrate is an essential amino acid for leukemic cells and a substrate for L-Asparaginase. L-Asparaginase is a potent anti-leukemic enzyme that promotes asparagine (Asn) and glutamine (Gln) depletion and inhibits protein biosynthesis in lymphoblasts. Removal of L-asparagine from plasma by L-Asparaginase results in inhibition of RNA and DNA synthesis and subsequent apoptosis. L-Asparaginase has cell-killing ability in vitro and in vivo, and selectively inhibits the growth of cancer cells with low asparagine synthetase (AASNS) expression. L-Asparagine monohydrate can be used as a biomarker and sensor for the study of childhood acute lymphoblastic leukemia .

HY-N0667S7

L-Asparagine-13C4,15N2

L-Asparagine- ¹³C₄, ¹⁵N₂ ((-)-Asparagine- ¹³C₄, ¹⁵N₂) is the ¹³C and ¹⁵N-labeled L-Asparagine (HY-N0667). L-Asparagine is an essential amino acid for leukemic cells and a substrate for L-Asparaginase. L-Asparaginase is a potent anti-leukemic enzyme that promotes asparagine (Asn) and glutamine (Gln) depletion and inhibits protein biosynthesis in lymphoblasts. Removal of L-asparagine from plasma by L-Asparaginase results in inhibition of RNA and DNA synthesis and subsequent apoptosis. L-Asparaginase has cell-killing ability in vitro and in vivo, and selectively inhibits the growth of cancer cells with low asparagine synthetase (AASNS) expression. L-Asparagine can be used as a biomarker and sensor for the study of childhood acute lymphoblastic leukemia .

HY-141467S

Propionyl CoA-d5

Propionyl CoA-d₅ is the deuterium labeled Propionyl CoA (HY-141467). Propionyl CoA serves as a common intermediate in the catabolic pathways of 1,2-propanediol and propionate in Salmonella enterica serovar Typhimurium LT2, and also functions as a precursor for 2-methylcitrate. Propionyl CoA is utilized as a substrate for the 2-methylcitrate synthase (PrpC) enzyme to synthesize 2-methylcitrate .

HY-113263S1

17α-Hydroxypregnenolone-13C2,d2
17α-Hydroxypregnenolone- ¹³C₂,d₂ is the deuterium and ¹³C labeled 17α-Hydroxypregnenolone . 17a-Hydroxypregnenolone is a metabolite of Pregnenolone (HY-B0151) and a precursor in the biosynthesis of Dehydroepiandrosterone (HY-14650). 17a-Hydroxypregnenolone is a substrate for the enzyme 3β-hydroxysteroid dehydrogenase (3β-HSD) .

HY-A0024S

Tolterodine-d14 hydrochloride

Tolterodine-d₁₄ (hydrochloride) is the deuterium labeled Tolterodine hydrochloride . Tolterodine ((R)-(+)-Tolterodine) is a mAChR inhibitor and substrate for cytochrome P450 enzymes. Tolterodine competitively binds acetylcholine, reduces sympathetic excitation, and inhibits involuntary bladder muscle contraction. Tolterodine restores the Nrf2/NF-κB signaling pathway, mediates protection against inflammatory response and ferroptosis. Tolterodine ameliorates LPS (HY-D1056)-induced reactive oxygen species production and lipid oxidation. Tolterodine can be used for the research of urinary tract infections and overactive bladder.

HY-N0667S1

L-Asparagine-15N2,d8

L-Asparagine- ¹⁵N₂,d₈ is the ¹⁵N- and deuterium labeled L-Asparagine (HY-N0667). L-Asparagine is an essential amino acid for leukemic cells and a substrate for L-Asparaginase. L-Asparaginase is a potent anti-leukemic enzyme that promotes asparagine (Asn) and glutamine (Gln) depletion and inhibits protein biosynthesis in lymphoblasts. Removal of L-asparagine from plasma by L-Asparaginase results in inhibition of RNA and DNA synthesis and subsequent apoptosis. L-Asparaginase has cell-killing ability in vitro and in vivo, and selectively inhibits the growth of cancer cells with low asparagine synthetase (AASNS) expression. L-Asparagine can be used as a biomarker and sensor for the study of childhood acute lymphoblastic leukemia .

HY-N0667S4

L-Asparagine-4-13C monohydrate

L-Asparagine-4- ¹³C monohydrate is the ¹³C-labeled L-Asparagine monohydrate (HY-W017443).L-Asparagine monohydrate is an essential amino acid for leukemic cells and a substrate for L-Asparaginase. L-Asparaginase is a potent anti-leukemic enzyme that promotes asparagine (Asn) and glutamine (Gln) depletion and inhibits protein biosynthesis in lymphoblasts. Removal of L-asparagine from plasma by L-Asparaginase results in inhibition of RNA and DNA synthesis and subsequent apoptosis. L-Asparaginase has cell-killing ability in vitro and in vivo, and selectively inhibits the growth of cancer cells with low asparagine synthetase (AASNS) expression. L-Asparagine monohydrate can be used as a biomarker and sensor for the study of childhood acute lymphoblastic leukemia .

HY-W017443S4

L-Asparagine-1,2,3,4-13C4 monohydrate

L-Asparagine-1,2,3,4- ¹³C₄ monohydrate is the ¹³C labeled labeled L-Asparagine monohydrate (HY-W017443). L-Asparagine monohydrate is an essential amino acid for leukemic cells and a substrate for L-Asparaginase. L-Asparaginase is a potent anti-leukemic enzyme that promotes asparagine (Asn) and glutamine (Gln) depletion and inhibits protein biosynthesis in lymphoblasts. Removal of L-asparagine from plasma by L-Asparaginase results in inhibition of RNA and DNA synthesis and subsequent apoptosis. L-Asparaginase has cell-killing ability in vitro and in vivo, and selectively inhibits the growth of cancer cells with low asparagine synthetase (AASNS) expression. L-Asparagine monohydrate can be used as a biomarker and sensor for the study of childhood acute lymphoblastic leukemia .

HY-N0667S

L-Asparagine-13C4,15N2,d8

L-Asparagine- ¹³C₄, ¹⁵N₂,d₈ is the ¹³C-labeled and ¹⁵N-labeled L-Asparagine (HY-N0667). L-Asparagine is an essential amino acid for leukemic cells and a substrate for L-Asparaginase. L-Asparaginase is a potent anti-leukemic enzyme that promotes asparagine (Asn) and glutamine (Gln) depletion and inhibits protein biosynthesis in lymphoblasts. Removal of L-asparagine from plasma by L-Asparaginase results in inhibition of RNA and DNA synthesis and subsequent apoptosis. L-Asparaginase has cell-killing ability in vitro and in vivo, and selectively inhibits the growth of cancer cells with low asparagine synthetase (AASNS) expression. L-Asparagine can be used as a biomarker and sensor for the study of childhood acute lymphoblastic leukemia .

HY-W017443S2

L-Asparagine-13C4,15N2,d3 monohydrate

L-Asparagine- ¹³C₄, ¹⁵N₂,d₃ monohydrate is the deuterium, ¹³C-, and ¹⁵N-labeled L-Asparagine monohydrate (HY-W017443). L-Asparagine monohydrate is an essential amino acid for leukemic cells and a substrate for L-Asparaginase. L-Asparaginase is a potent anti-leukemic enzyme that promotes asparagine (Asn) and glutamine (Gln) depletion and inhibits protein biosynthesis in lymphoblasts. Removal of L-asparagine from plasma by L-Asparaginase results in inhibition of RNA and DNA synthesis and subsequent apoptosis. L-Asparaginase has cell-killing ability in vitro and in vivo, and selectively inhibits the growth of cancer cells with low asparagine synthetase (AASNS) expression. L-Asparagine monohydrate can be used as a biomarker and sensor for the study of childhood acute lymphoblastic leukemia .

HY-W017443S3

L-Asparagine-15N2,d3 monohydrate

L-Asparagine- ¹⁵N₂,d₃ monohydrate is the deuterium and ¹⁵N-labeled L-Asparagine monohydrate (HY-W017443). L-Asparagine monohydrate is an essential amino acid for leukemic cells and a substrate for L-Asparaginase. L-Asparaginase is a potent anti-leukemic enzyme that promotes asparagine (Asn) and glutamine (Gln) depletion and inhibits protein biosynthesis in lymphoblasts. Removal of L-asparagine from plasma by L-Asparaginase results in inhibition of RNA and DNA synthesis and subsequent apoptosis. L-Asparaginase has cell-killing ability in vitro and in vivo, and selectively inhibits the growth of cancer cells with low asparagine synthetase (AASNS) expression. L-Asparagine monohydrate can be used as a biomarker and sensor for the study of childhood acute lymphoblastic leukemia .

HY-W707394

NOBA-d15
NOBA-d₁₅ is the deuterium labeled NOBA (HY-137799). NOBA is a synthetic chromogenic substrate that can be used to detect the enzyme activity of AplTX-II. NOBA can be used in the research of phospholipid hydrolysis .

HY-90010S

Tolterodine tartrate-d14

Tolterodine tartrate-d₁₄ (Kabi-2234-d₁₄) is deuterium labeled Tolterodine tartrate. Tolterodine ((R)-(+)-Tolterodine) is a mAChR inhibitor and substrate for cytochrome P450 enzymes. Tolterodine competitively binds acetylcholine, reduces sympathetic excitation, and inhibits involuntary bladder muscle contraction. Tolterodine restores the Nrf2/NF-κB signaling pathway, mediates protection against inflammatory response and ferroptosis. Tolterodine ameliorates LPS (HY-D1056)-induced reactive oxygen species production and lipid oxidation. Tolterodine can be used for the research of urinary tract infections and overactive bladder.

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