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Results for "

adduct

" in MedChemExpress (MCE) Product Catalog:

By Targets:	Acyltransferase (1) ADC Antibody (1) ADC Payload (3) Aldehyde Dehydrogenase (ALDH) (3) Aminoacyl-tRNA Synthetase (1) Aminotransferases (Transaminases) (1) Antibiotic (3) Apoptosis (10) Aryl Hydrocarbon Receptor (3) Autophagy (1) Bacterial (10) Bcr-Abl (1) Biochemical Assay Reagents (31) Btk (4) Carboxylesterase (CES) (1) Caspase (2) CD276/B7-H3 (1) COX (6) Cytochrome P450 (6) Dipeptidyl Peptidase (1) DNA Alkylator/Crosslinker (13) DNA Stain (1) DNA/RNA Synthesis (21) Drug Derivative (7) Drug Intermediate (3) Drug Isomer (3) Drug Metabolite (5) Endogenous Metabolite (16) Environmental Pollutants (5) Epigenetic Reader Domain (3) ERK (1) Ferroptosis (1) Fluorescent Dye (7) Glutathione S-transferase (2) Glyoxalase (GLO) (1) HDAC (1) Histone Acetyltransferase (1) Histone Demethylase (7) Histone Methyltransferase (2) iGluR (1) IKK (1) Isotope-Labeled Compounds (13) Keap1-Nrf2 (1) Lipoxygenase (4) MDM-2/p53 (3) Microtubule/Tubulin (1) Mitochondrial Metabolism (1) Molecular Glues (2) NO Synthase (1) Nucleoside Antimetabolite/Analog (8) p38 MAPK (1) Parasite (4) PGE synthase (3) Prostaglandin Receptor (1) Quinone Reductase (1) Ras (1) Reactive Oxygen Species (ROS) (4) Reference Standards (16) RGS Protein (3) SWI/SNF Complex (1) TNF Receptor (1) Toll-like Receptor (TLR) (2) Transmembrane Glycoprotein (1) Tyrosinase (1)
By Research Areas:	Cancer (76) Cardiovascular Disease (6) Endocrinology (1) Infection (19) Inflammation/Immunology (20) Metabolic Disease (13) Neurological Disease (12)
Click Chemistry:	Azide (2) Alkynes (2)
Oligonucleotides:	Adenosine (1) Guanosine (3) Nucleoside Analogs (4) Polymers (5)

170

Inhibitors & Agonists

Screening Libraries

Fluorescent Dye

Biochemical Assay Reagents

Peptides

Inhibitory Antibodies

Natural
Products

Isotope-Labeled Compounds

Click Chemistry

Oligonucleotides

Cat. No.	Product Name	Target	Research Areas	Chemical Structure

HY-111375

Azoxymethane Maximum Cited Publications 17 Publications Verification AOM	DNA Alkylator/Crosslinker	Cancer
Azoxymethane is a colon carcinogen which leads to the formation of DNA adducts.

HY-D0017

Dansyl chloride DNSCl	Fluorescent Dye	Others
Dansyl chloride is a reagent that produces stable blue or blue-green fluorescent sulfonamide adducts in the reaction of aliphatic and aromatic amines with primary amino groups, and is widely used for modified amino acids, protein sequencing and amino acid analysis .

HY-21623

Dichloro[1,1'-bis(diphenylphosphino)ferrocene]palladium(II) dichloromethane adduct	Biochemical Assay Reagents	Others
Dichloro[1,1'-bis(diphenylphosphino)ferrocene]palladium(II) dichloromethane adduct is a common dichloromethane solvate of the palladium catalyst Pd(dppf)Cl₂, a phosphine ligand palladium(II) complex, which can be used as a versatile precatalyst for various cross-coupling reactions. Dichloro[1,1'-bis(diphenylphosphino)ferrocene]palladium(II) dichloromethane adduct can stabilize reaction intermediates and lower the reaction activation energy in coupling reactions, and can be used in Suzuki-Miyaura coupling reaction studies .

HY-124489

2-Hydroxyestradiol 2 Publications Verification	Endogenous Metabolite	Metabolic Disease
2-Hydroxyestradiol, a metabolite of 17β-estradiol with minimal estrogenic activity, possesses antioxidant effects and reacts with DNA to form stable adducts and exerts genotoxicity .

HY-13036A

IBT6A	Btk	Cancer
IBT6A is an impurity of Ibrutinib. IBT6A can be used in synthesis of IBT6A Ibrutinib dimer and IBT6A adduct . Ibrutinib is a selective, irreversible Btk inhibitor with an IC₅₀ of 0.5 nM .

HY-101160

SG2057 DRG16	DNA Alkylator/Crosslinker ADC Payload	Cancer
SG2057 (DRG16) is a PBD dimer containing a pentyldioxy linkage which binds sequence selectively in the minor groove of DNA forming DNA interstrand and intrastrand cross-linked adducts. SG2057 is a highly active antitumor agent .

HY-128463

N-tert-Butyl-α-phenylnitrone 2 Publications Verification	COX Reactive Oxygen Species (ROS)	Neurological Disease Metabolic Disease Inflammation/Immunology
N-tert-Butyl-α-phenylnitrone is a nitrone-based free radical scavenger that forms nitroxide spin adducts. N-tert-Butyl-α-phenylnitrone inhibits COX2 catalytic activity. N-tert-Butyl-α-phenylnitrone has potent ROS scavenging, anti-inflammatory, neuroprotective, anti-aging and anti-diabetic activities, and can penetrate the blood-brain barrier .

HY-Y1010

Oxiran-2-ylmethanol Glycidol	Drug Isomer	Cancer
Oxiran-2-ylmethanol (Glycidol) is an ester product. Oxiran-2-ylmethanol induces base pair point mutations in bacterial strains and structural chromosome aberrations in cultured cells. Oxiran-2-ylmethanol forms N-(2,3-dihydroxypropyl)valine hemoglobin adducts. Oxiran-2-ylmethanol acts as an animal carcinogen but does not significantly induce micronucleated immature erythrocytes in animal bone marrow. Oxiran-2-ylmethanol enables anionic polymerization to produce linear poly(glycidol). Oxiran-2-ylmethanol can be used for cancer-related research .

HY-124171

Zinquin ethyl ester 1 Publications Verification	Fluorescent Dye Drug Derivative	Others
Zinquin ethyl ester is a cell-permeable and lipophilic fluorescent derivative of Zinquin (HY-D0982). Zinquin ethyl ester reacts with protein-bound Zn ²⁺ in cells and forms fluorescent ternary adducts. Zinquin ethyl ester undergoes hydrolysis by intracellular esterases impeding its efflux across the plasma membrane (Ex/Em = 370/470 nm) .

HY-N0511

Aristolochic acid B 1 Publications Verification Aristolochic acid II	DNA Alkylator/Crosslinker	Cancer
Aristolochic acid B (Aristolochic Acid II) is an orally active major component of aristolochic acid (AA). Aristolochic acid B can be isolated from plants of the genus Aristolochica. Aristolochic acid B forms DNA adducts. Aristolochic acid B is mutagenic. Aristolochic acid B exhibits a greater carcinogenic risk in vivo than Aristolochic acid I (HY-N0510) .

HY-W273413

4-Hydrazino-7-nitro-benzofurazan hydrazine adduct NBD-H	Fluorescent Dye	Cancer
4-Hydrazino-7-nitro-benzofurazan hydrazine adduct (NBD-H) is a fluorescent reagent used for protein labeling .

HY-76222

Isatoic anhydride	Drug Intermediate	Others
Isatoic anhydride is a single-adduct forming reagent and a monofunctional SHAPE reagent. Isatoic anhydride reacts with the 2'-hydroxyl group of RNA nucleotides via a single reactive group to form a single adduct, without forming cross-links between nucleotides. In SHAPE-JuMP experiments, Isatoic anhydride serves as a control reagent for single-adduct formation, which is used to distinguish true cross-links from single-adduct formation .

HY-W013053

Dibenz[a,h]anthracene DBA; 1,2,5,6-Dibenzanthracene; Benzo[k]tetraphene	Environmental Pollutants DNA/RNA Synthesis MDM-2/p53 Apoptosis	Cancer
Dibenz[a,h]anthracene (DBA) is an orally active polycyclic aromatic hydrocarbon, a by-product of incomplete combustion of organic matter, a potent carcinogen, and an agonist of AhR. Dibenz[a,h]anthracene induces dose-dependent increases in DNA adduct formation and lacZ mutation frequency. Dibenz[a,h]anthracene upregulates St3gal5. Dibenz[a,h]anthracene can be used in cancer-related research .

HY-B0306

Prothionamide Protionamide	Bacterial	Infection
Prothionamide is an orally active thioamide antibacterial agent. Prothionamide is a substrate of OCT1 with a K_m value of 805.8 μM. Prothionamide reacts with NAD to form a covalent adduct, with the adduct being a tight-binding inhibitor of Mycobacterium tuberculosis and Mycobacterium leprae InhA. Prothionamide can effectively inhibit the growth of Mycobacterium tuberculosis (MIC = ~0.5 µg/mL) and Mycobacterium leprae. Prothionamide is used in the research of tuberculosis and leprosy .

HY-N0769

Isopimpinellin 1 Publications Verification	DNA/RNA Synthesis Parasite	Infection Inflammation/Immunology Cancer
Isopimpinellin, an orally active compound isolated from Glomerella cingulata. Isopimpinellin blocks DNA adduct formation and skin tumor initiation by 7,12-dimethylbenz[a]anthracene. Isopimpinellin possesses anti-leishmania effect .

HY-B1309

Metacetamol AMAP	Drug Derivative Mitochondrial Metabolism	Infection Cancer
Metacetamol (AMAP) is an analog of Acetaminophen (HY-66005). Metacetamol induces dose-dependent necrosis in primary hepatocytes via glutathione depletion, mitochondrial damage, and formation of mitochondrial protein adducts. Metacetamol derivatives act as anticancer and antibacterial agents. Metacetamol can be used in studies related to breast cancer, bacterial infections, and fungal infections (candidiasis) .

HY-W011168

8-Bromo-2'-deoxyguanosine	Nucleoside Antimetabolite/Analog DNA/RNA Synthesis	Inflammation/Immunology Cancer
8-Bromo-2'-deoxyguanosine is an inflammation-related DNA halogenated adduct and an early biomarker of inflammation-induced oxidative tissue damage. The formation of 8-Bromo-2'-deoxyguanosine precedes that of oxidative and nitrative products, and it can be generated via the MPO-H₂O₂-Cl ^--Br ^- system. 8-Bromo-2'-deoxyguanosine serves as the immunogen for preparing the monoclonal antibody mAb8B3, which can be used to detect early DNA modifications in preclinical models; its urinary level also increases significantly in inflammatory disease models. 8-Bromo-2'-deoxyguanosine can also be produced in the dermis of UV-B irradiated mice, and the extract of Coprinus comatus significantly reduces its level. 8-Bromo-2'-deoxyguanosine finds applications in studies related to inflammatory diseases, diabetes, hepatocellular carcinoma, and UV-B induced skin inflammation .

HY-139093A

Paracetamol-cysteine TFA 1 Publications Verification APAP-Cys TFA	Drug Derivative	Others
Paracetamol-cysteine (TFA) is an acetaminophen-protein adduct formed during the metabolism of acetaminophen (HY-66005) .

HY-69014

2-O-Methylcytosine	DNA/RNA Synthesis Endogenous Metabolite	Cancer
2-O-Methylcytosine, an O-alkylated analogue a DNA adduct, is the damaged nucleobase .

HY-114713

POBN 4-POBN	Biochemical Assay Reagents	Others
POBN (4-POBN) is a cell permeable, hydrophilic spin trap that can be used to detect free radical adducts .

HY-U00279

Nitracrine	DNA/RNA Synthesis	Cancer
Nitracrine inhibits RNA synthesis and covalently, reversibly binds to DNA but also forms covalent adducts with DNA in vivo. Nitracrine, a 1-nitroacridine derivative, is a potent hypoxia-selective agent in vitro and antitumor agent. Nitracrine has cytotoxicity towards most cells .

HY-171036

GAPDH-IN-1	Endogenous Metabolite	Metabolic Disease
GAPDH-IN-1 (Compound F8) is a GAPDH inhibitor (IC₅₀ of 39.31 μM for GAPDH enzymatic activity). GAPDH-IN-1 forms a covalent adduct with an aspartic acid in the active site to displace NAD ⁺, a cofactor of the enzyme, with concomitant enhancement of the cysteine-reactive probe reaction with the catalytic cysteine .

HY-N8022

Lucidin primeveroside Lucidin 3-O-β-primeveroside	Biochemical Assay Reagents	Cancer
Lucidin primeveroside (Lucidin 3-O-β-primeveroside) is an anthraquinone derivative present in madder root, which has been used as a coloring agent and food additive. Lucidin primeveroside can be metabolically converted to genotoxic compound Lucidin, which subsequently forms lucidin-specific DNA adducts .

HY-D0017S

Dansyl chloride-d6 DNSCl-d₆	Biochemical Assay Reagents	Others
Dansyl chloride-d₆ is the deuterium labeled Dansyl chloride (HY-D0017). Dansyl chloride is a reagent that produces stable blue or blue-green fluorescent sulfonamide adducts in the reaction of aliphatic and aromatic amines with primary amino groups, and is widely used for modified amino acids, protein sequencing and amino acid analysis .

HY-171213

NB-3	Toll-like Receptor (TLR)	Neurological Disease
NB-3 is a nicotinamide adenine dinucleotide (NAD) hydrolase SARM1 inhibitor. NB-3 intercepts NAD hydrolysis and undergoes covalent conjugation with the reaction product adenosine diphosphate ribose (ADPR). The resulting small-molecule ADPR adducts are highly potent and confer compelling neuroprotection in neurological injury .

HY-N1282

Seneciphylline	Glutathione S-transferase Cytochrome P450	Cancer
Seneciphylline is an orally effective hepatotoxic inducer. Seneciphylline is metabolized by CYP450 enzymes into active intermediates, which covalently bind to intracellular biomacromolecules such as proteins and DNA to form adducts, which in turn trigger a series of toxic reactions, such as inducing cell apoptosis and damaging mitochondrial function. Seneciphylline can be used in hepatotoxicity research[1][2].

HY-W094755

1-Nitropyrene 3-Nitropyrene	Environmental Pollutants DNA Stain	Others
1-Nitropyrene is a DNA probe whose metabolites can form nucleic acid adducts with DNA .

HY-W347492

6-O-Methyldeoxyguanosine O6-Methyl-2′-deoxyguanosine	Nucleoside Antimetabolite/Analog	Cancer
O6-Methyldeoxy guanosine; DNA adduct is a purine nucleoside analog. Purine nucleoside analogs have broad antitumor activity targeting indolent lymphoid malignancies. Anticancer mechanisms in this process rely on inhibition of DNA synthesis, induction of apoptosis, etc .

HY-154406

2′-Deoxy-N-methylguanosine	Nucleoside Antimetabolite/Analog	Cancer
2’-Deoxy-N2-methylguanosine, DNA adduct is a purine nucleoside analog. Purine nucleoside analogs have broad antitumor activity targeting indolent lymphoid malignancies. Anticancer mechanisms in this process rely on inhibition of DNA synthesis, induction of apoptosis, etc .

HY-154578

N1-Methyl-2'-deoxyadenosine	Nucleoside Antimetabolite/Analog	Cancer
N1-Methyl-2'-deoxyadenosine, DNA adduct is a purine nucleoside analog. Purine nucleoside analogs have broad antitumor activity targeting indolent lymphoid malignancies. Anticancer mechanisms in this process rely on inhibition of DNA synthesis, induction of apoptosis, etc .

HY-D2161A

AF 594 azide triethylamine	Fluorescent Dye	Others
AF 594 azide (triethylamine) is an azide derivative of the red fluorescent dye AF 594, which has high fluorescence quantum yield and high photostability (maximum absorption wavelength of 586 nm, maximum emission wavelength of 613 nm). AF 594 azide (triethylamine) forms stable adducts by reaction of the azide group with alkynyl derivatives (terminal alkynes and cyclooctyne) .

HY-W683760

N-Nitrosonornicotine (2S)-N'-Nitrosonornicotine	DNA/RNA Synthesis	Cancer
N-Nitrosonornicotine is a tobacco-specific nitrosamine that has carcinogenic and mutagenic activity, and it can induce micronuclei in C3A cells. N-Nitrosonornicotine can form DNA adducts .

HY-D2871

DAyne	Biochemical Assay Reagents	Neurological Disease
DAyne is a Dopamine (DA)-mimetic probe. DAyne covalently binds to proteins modified by dopamine oxidation products (e.g., dopaquinone, DQ) to form adducts. DAyne is promising for research of Parkinson’s disease (PD), particularly neurotoxicity, protein modification, and related pathways (e.g., endoplasmic reticulum stress, cytoskeletal instability) caused by dopamine dysregulation .

HY-W141077

1-Nitrosopyrrolidine	Biochemical Assay Reagents	Others
1-Nitrosopyrrolidine is a molecule that primarily interacts with DNA and proteins, leading to the formation of DNA adducts and protein adducts.

HY-W591393

Biotin Azide Plus	Biochemical Assay Reagents	Cancer
Biotin Azide Plus is an oxazolidine reagent that integrates azide-biotin click chemistry and a photocleavable linker arm. Biotin Azide Plus not only reacts with biotin thioether to form stable sulfinimide products, but also enables bioconjugation of proteins and DNA through biotin redox-activated chemical labeling technology. Taking advantage of the streptavidin capture and photo-release properties, Biotin Azide Plus effectively facilitates the isolation of lipid-derived electrophile-protein adducts, thus finding wide application in scientific research related to fields such as SKBR3 cancer .

HY-W587780

Sulfamethoxazole-NO SMX-NO	Biochemical Assay Reagents	Inflammation/Immunology
Sulfamethoxazole-NO (SMX-NO) is the major immunogen in sulfonamide allergy, producing modest ascorbic acid depletion and hemoglobin adduct formation. Sulfamethoxazole-NO haptens tissue proteins and is immunogenic in rodents .

HY-13036

(Rac)-IBT6A	Btk	Cancer
(Rac)-IBT6A is a racemate of IBT6A. IBT6A is an impurity of Ibrutinib. IBT6A can be used in synthesis of IBT6A Ibrutinib dimer and IBT6A adduct . Ibrutinib is a selective, irreversible Btk inhibitor with an IC₅₀ of 0.5 nM .

HY-139093

Paracetamol-cysteine APAP-Cys	Drug Derivative	Others
Paracetamol-cysteine is a Paracetamol (HY-66005)-cysteine Paracetamol protein (HY-139093A) adduct (PPA), which is formed when Paracetamol is oxidized to the reactive metabolite N-acetyl-p-benzoquinoneimine (NAPQI) .

HY-W016433

2-Aminofluorene	DNA/RNA Synthesis	Others
2-Aminofluorene is a synthetic chemical insecticide. 2-Aminofluorene is a genotoxin. 2-Aminofluorene can be used in the research of DNA adduct structure, DNA repair, carcinogenesis, and mutagenesis .

HY-118517

α-Hydroxytamoxifen (E)-α-Hydroxy tamoxifen; α-OHTAM	Drug Metabolite	Cancer
α-Hydroxytamoxifen is a metabolite of tamoxifen, reacts with DNA in the absence of metabolizing enzymes, and causes formation of DNA adducts .

HY-W110776

Zinc oxinate Bis(8-quinolinolato)zinc(II) hydrate; Zinc 8-hydroxyquinolinate	Biochemical Assay Reagents	Others
Zinc oxinate (Zinc 8-hydroxyquinolinate) is a metal chelator that stabilizes zinc complexes by forming pentacoordinate or hexacoordinate adducts. Zinc oxinate is promising for research of zinc quantification .

HY-156883

Dasatinib analog-1	Cytochrome P450	Others
Dasatinib analog-1 (compound 5826) inhibits CYP3A4 viability with a K_i value of 5.4 μM. Dasatinib analog-1 blocks the formation of glutathione adducts .

HY-N3515

Multicaulisin	Bacterial	Infection
Multicaulisin, a new Diels-Alder type adduct from Morus multicaulis roots, potently effects against Staphylococcus aureus (MRSA) isolates. Multicaulisin is an antibacterial agent and has the potential for MRSA infections research .

HY-U00265

3-CPs 3-Carbethoxypsoralen; 3-Ethoxycarbonylpsoralen	Bacterial	Infection
3-CPs is a monofunctional furanocoumarin and a photoprotective agent targeting Staphylococcus aureus DNA, possessesing anti-UVB lethal activity. 3-CPs competitively intercalates into DNA, forming exclusively 4',5'-furan-side mono-adducts upon UVB irradiation, and irreversibly inhibits the formation of cyclobutane pyrimidine dimers. 3-CPs prevents UVB-induced DNA damage by preferentially binding to strong (AT)_n sites within the DNA, without inducing lethal interstrand DNA cross-links; the limited number of mono-adducts it induces can be efficiently repaired by bacteria. 3-CPs holds potential for use in the development of photoprotective formulations for skin diseases, as well as in studies investigating bacterial DNA photodamage repair mechanisms and the optimization of photochemotherapy safety .

HY-W016433S1

2-Aminofluorene-d11	DNA/RNA Synthesis	Others
2-Aminofluorene-d₁₁ is the deuterium labeled 2-Aminofluorene . 2-Aminofluorene is a synthetic chemical insecticide. 2-Aminofluorene is a genotoxin. 2-Aminofluorene can be used in the research of DNA adduct structure, DNA repair, carcinogenesis, and mutagenesis .

HY-W010482S

3-Ethylaniline-d5	Isotope-Labeled Compounds	Cancer
3-Ethylaniline-d₅ is the deuterium labeled 3-Ethylaniline (HY-W010482). 3-Ethylaniline is metabolized in vivo to electrophilic intermediates that covalently bind to DNA and that adducts are formed in the DNA of bladder. 3-Ethylaniline can be used for the research of bladder cancer .

HY-113045

Aquacobalamin	Endogenous Metabolite	Metabolic Disease
Aquacobalamin is one of the major forms of vitamin B12 isolated from mammalian cells. Aquacobalamin accelerates the oxidation of azo-dye Orange II (HY-N1442) by HSO₅ ^- in aqueous solutions. Aquacobalamin binds hydrogen peroxide reversibly to form a cobalt(III) hydroperoxo adduct with a 0.25 mM dissociation constant .

HY-126256

PRMT5-IN-1	Histone Methyltransferase	Cancer
PRMT5 IN-1, a hemiaminal, is a potent, selective protein arginine methyltransferase 5 (PRMT5) inhibitor with an IC₅₀ of 11 nM for PRMT5/MEP50. PRMT5 IN-1 can be converted to aldehydes and react with C449 to form covalent adducts under physiological conditions .

HY-W016433R

2-Aminofluorene (Standard)	Reference Standards DNA/RNA Synthesis	Others
2-Aminofluorene is a synthetic chemical insecticide. 2-Aminofluorene is a genotoxin. 2-Aminofluorene can be used in the research of DNA adduct structure, DNA repair, carcinogenesis, and mutagenesis .

HY-119983

7H-Dibenzo[c,g]carbazole DBC	Environmental Pollutants Cytochrome P450	Cancer
7H-Dibenzo[c,g]carbazole (DBC) is an azaarene with high lipophilicity. 7H-Dibenzo[c,g]carbazole has carcinogenic activity and induce DNA adducts in fish, DNA adducts, mutations in diploid human fibroblasts and micronuclei in human blood lymphocytes. 7H-Dibenzo[c,g]carbazole is activated by cytochrome P450 enzymes resulting mainly in the generation of phenolic metabolites .

Cat. No.	Product Name

HY-L076

Drug-Induced Liver Injury (DILI) Compound Library

641 compounds

Drug-induced liver injury (DILI; also known as drug-induced hepatotoxicity) is caused by medications (prescription or OTC), herbal and dietary supplements (HDS), or other xenobiotics that result in abnormalities in liver tests or in hepatic dysfunction that cannot be explained by other causes. Drugs are an important cause of liver injury. Drug-induced hepatic injury is the most common reason cited for withdrawal of an approved drug.

DILI is thought to occur via several different mechanisms. Among these are direct impairment of the structural (e.g., mitochondrial dysfunction) and functional integrity of the liver; production of a metabolite that alters hepatocellular structure and function; production of a reactive drug metabolite that binds to hepatic proteins to produce new antigenic drug-protein adducts, which are targeted by hosts’ defenses (the hapten hypothesis); and initiation of a systemic hypersensitivity response (i.e., drug allergy) that damages the liver.

MCE Drug-induced Liver Injury (DILI) Compound Library contains a unique collection of 641 hepatotoxicity causing compounds and is a powerful tool to research DILI and other drug toxicities. This library can be used to understand the mechanisms of DILI, identify biomarkers for early DILI prediction, and allow timely recognition during drug development, thus finally achieving successful DILI prevention and assessment in the pre-marketing phase.

Cat. No.	Product Name	Type

HY-D0017

Dansyl chloride DNSCl	Fluorescent Dye
Dansyl chloride is a reagent that produces stable blue or blue-green fluorescent sulfonamide adducts in the reaction of aliphatic and aromatic amines with primary amino groups, and is widely used for modified amino acids, protein sequencing and amino acid analysis .

HY-124171

Zinquin ethyl ester 1 Publications Verification	Fluorescent Dye
Zinquin ethyl ester is a cell-permeable and lipophilic fluorescent derivative of Zinquin (HY-D0982). Zinquin ethyl ester reacts with protein-bound Zn ²⁺ in cells and forms fluorescent ternary adducts. Zinquin ethyl ester undergoes hydrolysis by intracellular esterases impeding its efflux across the plasma membrane (Ex/Em = 370/470 nm) .

HY-W273413

4-Hydrazino-7-nitro-benzofurazan hydrazine adduct NBD-H	Fluorescent Dye
4-Hydrazino-7-nitro-benzofurazan hydrazine adduct (NBD-H) is a fluorescent reagent used for protein labeling .

HY-D2161A

AF 594 azide triethylamine	Fluorescent Dye
AF 594 azide (triethylamine) is an azide derivative of the red fluorescent dye AF 594, which has high fluorescence quantum yield and high photostability (maximum absorption wavelength of 586 nm, maximum emission wavelength of 613 nm). AF 594 azide (triethylamine) forms stable adducts by reaction of the azide group with alkynyl derivatives (terminal alkynes and cyclooctyne) .

HY-D2871

DAyne	Fluorescent Dye
DAyne is a Dopamine (DA)-mimetic probe. DAyne covalently binds to proteins modified by dopamine oxidation products (e.g., dopaquinone, DQ) to form adducts. DAyne is promising for research of Parkinson’s disease (PD), particularly neurotoxicity, protein modification, and related pathways (e.g., endoplasmic reticulum stress, cytoskeletal instability) caused by dopamine dysregulation .

HY-W591393

Biotin Azide Plus

Fluorescent Dye

Biotin Azide Plus is an oxazolidine reagent that integrates azide-biotin click chemistry and a photocleavable linker arm. Biotin Azide Plus not only reacts with biotin thioether to form stable sulfinimide products, but also enables bioconjugation of proteins and DNA through biotin redox-activated chemical labeling technology. Taking advantage of the streptavidin capture and photo-release properties, Biotin Azide Plus effectively facilitates the isolation of lipid-derived electrophile-protein adducts, thus finding wide application in scientific research related to fields such as SKBR3 cancer .

HY-D2161

AF 594 azide

Fluorescent Dye

AF 594 azide is an azide derivative of the red fluorescent dye AF 594, which has high fluorescence quantum yield and high photostability (maximum absorption wavelength of 586 nm, maximum emission wavelength of 613 nm). AF 594 azide forms stable adducts by reaction of the azide group with alkynyl derivatives (terminal alkynes and cyclooctyne). It contains an azide group and can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing alkyne groups. It can also undergo ring strain-promoted alkyne-azide cycloaddition (SPAAC) with molecules containing DBCO or BCN groups .

HY-D3240

Photoactive NTR probe

Fluorescent Dye

Photoactive NTR probe (Compound 1) is a covalent crosslinker and Fluorescent indicator targeting Nitroreductase. The Photoactive NTR probe undergoes a sequential activation process: it is first activated via nitroreductase-mediated nitro-to-amino conversion, and then forms a fluorescent product upon photoactivation. The Photoactive NTR probe can form covalent adducts with the side chains of cysteine, tyrosine, lysine and histidine in adjacent proteins to reduce fluorophore diffusion. The Photoactive NTR probe enables super-resolution (STORM) imaging of active mitochondrial nitroreductase microdomains in living cells .

HY-D3153

PbQ

Fluorescent Dye

PbQ is a tubulin inhibitor (with an IC₅₀ of 5 μM against goat tubulin) and a fluorescent probe for cuprous ions Cu (I). PbQ can penetrate the membrane of peripheral blood mononuclear cells, form a stable 1:1 complex with Cu ⁺ ions, and exhibits low toxicity and good biocompatibility toward macrophage cell lines. In addition, PbQ promotes tubulin degradation and disrupts the microtubule network in lung epithelial cells without affecting actin. PbQ also possesses genotoxicity by forming DNA base adducts, and it can activate caspase-3 and apoptosis-related genes, induce loss of mitochondrial membrane potential, and trigger cell apoptosis. PbQ can be used in studies related to chronic obstructive pulmonary disease .

Cat. No.	Product Name	Type

HY-21623

Dichloro[1,1'-bis(diphenylphosphino)ferrocene]palladium(II) dichloromethane adduct

Biochemical Assay Reagents

Dichloro[1,1'-bis(diphenylphosphino)ferrocene]palladium(II) dichloromethane adduct is a common dichloromethane solvate of the palladium catalyst Pd(dppf)Cl₂, a phosphine ligand palladium(II) complex, which can be used as a versatile precatalyst for various cross-coupling reactions. Dichloro[1,1'-bis(diphenylphosphino)ferrocene]palladium(II) dichloromethane adduct can stabilize reaction intermediates and lower the reaction activation energy in coupling reactions, and can be used in Suzuki-Miyaura coupling reaction studies .

HY-W088065

Sodium formate

Biochemical Assay Reagents

Sodium formate acts as a key promoter for heterogeneous nucleation of ZIF crystals and thin film synthesis. It is also recognized as a GRAS substance by the FDA, and serves as a cosmetic preservative and food additive. Sodium formate has low acute oral toxicity (acute oral LD₅₀=7410 mg/kg and acute intravenous LD₅₀=807 mg/kg in mice), with no heritable or carcinogenic effects, but exhibits embryonic developmental toxicity and teratogenicity at high concentrations. Sodium formate may cause moderate irritation to rabbit eyes, is relatively safe to the skin, and does not induce tumor formation in rats in vivo. Sodium formate is rapidly absorbed and oxidized to carbon dioxide in vivo, and forms DNA adducts in specific metabolic deficiency models or upon high-dose exposure .

HY-W089800

trans-2-Nonenal

trans-2-Nonen-1-al

Biochemical Assay Reagents

trans-2-Nonenal (trans-2-Nonen-1-al) is an endogenous peroxidation product of polyunsaturated fatty acids, acting as an inhibitor of COX and 12-LOX, as well as an inducer of apoptosis. trans-2-Nonenal is also a malodorous compound secreted by the human body, and its content gradually increases with aging. trans-2-Nonenal inhibits the activities of multiple enzymes such as platelet membrane-bound PTPase, preferentially covalently modifies proteins at lysine residues to form immunogenic adducts, and regulates platelet Arachidonic acid (HY-109590) metabolism. trans-2-Nonenal also exhibits significant cytotoxicity, reduces the viability of keratinocytes, promotes their apoptosis, and effectively decreases the thickness of epidermal models and the number of proliferating cells. trans-2-Nonenal is commonly used in studies of thrombotic, atherosclerotic diseases, renal adenocarcinoma, etc. .

HY-32813

2-Amino-3-iodopyridine 1 Publications Verification 3-Iodopyridin-2-amine	Biochemical Assay Reagents
2-Amino-3-iodopyridine (3-Iodopyridin-2-amine) can be coupled with formyl derivatives under a copper-catalyzed indole synthesis method, and then constructed azide analogs through copper-mediated conjugated adducts things. The nucleophilicity of 2-Amino-3-iodopyridine is lower than that of the corresponding aniline used in the synthesis of indole, a potential obstacle for future synthesis .

HY-W141077

1-Nitrosopyrrolidine	Biochemical Assay Reagents
1-Nitrosopyrrolidine is a molecule that primarily interacts with DNA and proteins, leading to the formation of DNA adducts and protein adducts.

HY-155921

mPEG5000-CHO

mPEG5000-Aldehyde

Biochemical Assay Reagents

mPEG5000-CHO participates in the formation of a three-dimensional porous scaffold which carries active substances to form a delivery vehicle. The -CHO functional group interacts with the -NH2 functional group of the chitosan chain to form a glutaraldehyde-type adduct to functionalize mPEG. This functionalization and cross-linking can affect the rigidity of the delivery system, allowing slow release of the cross-linked conjugate system.

HY-167538

sn-Glycero-3-phosphocholine 1:1 cadmium chloride adduct	Biochemical Assay Reagents
sn-Glycero-3-phosphocholine 1:1 cadmium chloride adduct is a biochemical reagent.

HY-W141077R

1-Nitrosopyrrolidine (Standard)	Biochemical Assay Reagents
1-Nitrosopyrrolidine (Standard) is the analytical standard of 1-Nitrosopyrrolidine. This product is intended for research and analytical applications. 1-Nitrosopyrrolidine is a molecule that primarily interacts with DNA and proteins, leading to the formation of DNA adducts and protein adducts.

HY-155922

mPEG10000-CHO

mPEG10000-Aldehyde

Biochemical Assay Reagents

mPEG10000-CHO participates in the formation of a three-dimensional porous scaffold which carries active substances to form a delivery vehicle. The -CHO functional group interacts with the -NH2 functional group of the chitosan chain to form a glutaraldehyde-type adduct to functionalize mPEG. This functionalization and cross-linking can affect the rigidity of the delivery system, allowing slow release of the cross-linked conjugate system.

HY-155919

mPEG2000-CHO

mPEG2000-Aldehyde

Biochemical Assay Reagents

mPEG2000-CHO participates in the formation of a three-dimensional porous scaffold which carries active substances to form a delivery vehicle. The -CHO functional group interacts with the -NH2 functional group of the chitosan chain to form a glutaraldehyde-type adduct to functionalize mPEG. This functionalization and cross-linking can affect the rigidity of the delivery system, allowing slow release of the cross-linked conjugate system.

HY-155918

mPEG1000-CHO

mPEG1000-Aldehyde

Biochemical Assay Reagents

mPEG1000-CHO participates in the formation of a three-dimensional porous scaffold that carries active substances to form a delivery vehicle. The -CHO functional group interacts with the -NH2 functional group of the chitosan chain to form a glutaraldehyde-type adduct to functionalize mPEG. This functionalization and cross-linking can affect the rigidity of the delivery system, allowing slow release of the cross-linked conjugate system.

HY-155923

mPEG20000-CHO

mPEG20000-Aldehyde

Biochemical Assay Reagents

mPEG20000-CHO participates in the formation of a three-dimensional porous scaffold which carries active substances to form a delivery vehicle. The -CHO functional group interacts with the -NH2 functional group of the chitosan chain to form a glutaraldehyde-type adduct to functionalize mPEG. This functionalization and cross-linking can affect the rigidity of the delivery system, allowing slow release of the cross-linked conjugate system.

Cat. No.	Product Name	Target	Research Area

HY-116073

L-Penicillamine	Acyltransferase	Infection Cancer
L-Penicillamine is an orally active serine palmitoyltransferase (SPT) inhibitor. L-Penicillamine inactivates the PLP cofactor by forming adducts, thereby inhibiting SPT activity and reducing sphingolipid biosynthesis. L-Penicillamine not only blocks tumor access to vitamin B6, but also stabilizes the human papillomavirus 16 E6 oncoprotein monomer and inhibits its polymerization, exhibiting a unique anticancer mechanism. L-Penicillamine effectively delays the growth of Sarcoma-180, induces tumor necrosis and prolongs survival (though long-term use may lead to Pyridoxine (HY-B1328) deficiency and weight loss) .

HY-P10940

Ac-RFAAKAA-COOH	Peptides	Inflammation/Immunology
Ac-RFAAKAA-COOH is a cysteine-containing polypeptide with a reactive lysine residue, and serves as a substrate for covalent modification and chemical reactivity assays. Ac-RFAAKAA-COOH forms stable covalent adducts with isothiocyanates, resulting in peptide depletion over time. Ac-RFAAKAA-COOH acts as a model peptide in direct peptide reactivity assays, where its chemical reactivity is evaluated via fluorescamine-based free amine assays. Ac-RFAAKAA-COOH can be used in studies related to allergic contact dermatitis and skin sensitization .

HY-139093

Paracetamol-cysteine APAP-Cys	Drug Derivative	Others
Paracetamol-cysteine is a Paracetamol (HY-66005)-cysteine Paracetamol protein (HY-139093A) adduct (PPA), which is formed when Paracetamol is oxidized to the reactive metabolite N-acetyl-p-benzoquinoneimine (NAPQI) .

HY-D0844F

Biotin-glutathione oxidized TFA N,N-Biotinyl glutathione disulfide TFA; Biotin-GSSG TFA	Peptides	Others
Biotin-glutathione oxidized TFA ((N,N-Biotinyl glutathione disulfide TFA; Biotin-GSSG TFA) is an inducer of protein S-glutathionylation and a detection probe for S-glutathionylated proteins. Biotin-glutathione oxidized TFA forms protein-glutathione disulfide adducts, mimics components of oxidative stress, and drives protein S-glutathionylation. Biotin-glutathione oxidized TFA enables the labeling, detection, localization and purification of proteins susceptible to S-glutathionylation .

Cat. No.	Product Name	Target	Research Area	Image

HY-P990059

Puxitatug INT-016; AZD8205 Antibody	ADC Antibody CD276/B7-H3	Cancer
Puxitatug (INT-016; AZD8205 Antibody) is a monoclonal antibody targeting VTCN1/B7-H4. Puxitatug can be used to synthesize antibody-drug conjugates (ADCs), such as Puxitatug samrotecan (HY-171689), which can be applied to various solid tumors. Puxitatug can also be used for researching adjuvant therapies for gastric cancer .

Cat. No.	Product Name	Category	Target	Chemical Structure

HY-113466

4-Hydroxynonenal Maximum Cited Publications 17 Publications Verification 4-HNE	Neurological Disease Classification of Application Fields Ketones, Aldehydes, Acids Disease markers Nervous System Disorder Endogenous metabolite Disease Research Fields Cancer	Aldehyde Dehydrogenase (ALDH) Endogenous Metabolite
4-Hydroxynonenal (4-HNE) is an α,β unsaturated hydroxyalkenal and an oxidative/nitrosative stress biomarker. 4-Hydroxynonenal is a substrate and an inhibitor of acetaldehyde dehydrogenase 2 (ALDH2). 4-Hydroxynonenal can modulate a number of signaling processes mainly through forming covalent adducts with nucleophilic functional groups in proteins, nucleic acids, and membrane lipids. 4-Hydroxynonenal plays an important role in cancer through mitochondria .

HY-151223

D-Glyceraldehyde 3-phosphate 1 Publications Verification Triose phosphate	Human Gut Microbiota Metabolites Microorganisms Endogenous metabolite Source Classification	Endogenous Metabolite Biochemical Assay Reagents
D-Glyceraldehyde 3-phosphate (Triose phosphate) is a common molecule in living organisms and is an important intermediate in glycolysis and gluconeogenesis, as well as a sugar product of the Calvin cycle. D-Glyceraldehyde 3-phosphate is involved in the biosynthesis of tryptophan and thiamin. D-Glyceraldehyde 3-phosphate is released as aldehyde by aldolase or triose phosphate isomerase. D-Glyceraldehyde 3-phosphate forms adducts with thiols .

HY-124489

2-Hydroxyestradiol 2 Publications Verification	Classification of Application Fields Phenols Polyphenols Metabolic Disease Endogenous metabolite Disease Research Fields Steroids Source Classification	Endogenous Metabolite
2-Hydroxyestradiol, a metabolite of 17β-estradiol with minimal estrogenic activity, possesses antioxidant effects and reacts with DNA to form stable adducts and exerts genotoxicity .

HY-N0511

Aristolochic acid B 1 Publications Verification Aristolochic acid II	Natural Products other families Classification of Application Fields Plants Disease Research Fields Source Classification Cancer	DNA Alkylator/Crosslinker
Aristolochic acid B (Aristolochic Acid II) is an orally active major component of aristolochic acid (AA). Aristolochic acid B can be isolated from plants of the genus Aristolochica. Aristolochic acid B forms DNA adducts. Aristolochic acid B is mutagenic. Aristolochic acid B exhibits a greater carcinogenic risk in vivo than Aristolochic acid I (HY-N0510) .

HY-N0769

Isopimpinellin 1 Publications Verification	Infection Microorganisms Classification of Application Fields Coumarins Soroseris hookeriana (C. B. Clarke) Stebbins Phenylpropanoids Umbelliferae Plants Inflammation/Immunology Disease Research Fields Source Classification Cancer	DNA/RNA Synthesis Parasite
Isopimpinellin, an orally active compound isolated from Glomerella cingulata. Isopimpinellin blocks DNA adduct formation and skin tumor initiation by 7,12-dimethylbenz[a]anthracene. Isopimpinellin possesses anti-leishmania effect .

HY-B1309

Metacetamol AMAP	Structural Classification Monophenols Boswellia serrata Roxb. Phenols Plants Burseraceae Source Classification	Drug Derivative Mitochondrial Metabolism
Metacetamol (AMAP) is an analog of Acetaminophen (HY-66005). Metacetamol induces dose-dependent necrosis in primary hepatocytes via glutathione depletion, mitochondrial damage, and formation of mitochondrial protein adducts. Metacetamol derivatives act as anticancer and antibacterial agents. Metacetamol can be used in studies related to breast cancer, bacterial infections, and fungal infections (candidiasis) .

HY-W089800

trans-2-Nonenal trans-2-Nonen-1-al	Source Classification	COX Lipoxygenase Apoptosis
trans-2-Nonenal (trans-2-Nonen-1-al) is an endogenous peroxidation product of polyunsaturated fatty acids, acting as an inhibitor of COX and 12-LOX, as well as an inducer of apoptosis. trans-2-Nonenal is also a malodorous compound secreted by the human body, and its content gradually increases with aging. trans-2-Nonenal inhibits the activities of multiple enzymes such as platelet membrane-bound PTPase, preferentially covalently modifies proteins at lysine residues to form immunogenic adducts, and regulates platelet Arachidonic acid (HY-109590) metabolism. trans-2-Nonenal also exhibits significant cytotoxicity, reduces the viability of keratinocytes, promotes their apoptosis, and effectively decreases the thickness of epidermal models and the number of proliferating cells. trans-2-Nonenal is commonly used in studies of thrombotic, atherosclerotic diseases, renal adenocarcinoma, etc. .

HY-69014

2-O-Methylcytosine	Natural Products Classification of Application Fields Endogenous metabolite Disease Research Fields Source Classification Cancer	DNA/RNA Synthesis Endogenous Metabolite
2-O-Methylcytosine, an O-alkylated analogue a DNA adduct, is the damaged nucleobase .

HY-N8022

Lucidin primeveroside Lucidin 3-O-β-primeveroside	Quinones Monophenols Classification of Application Fields Anthraquinones Rubiaceae Phenols Plants Disease Research Fields Rubia cordifolia L. Source Classification Cancer	Biochemical Assay Reagents
Lucidin primeveroside (Lucidin 3-O-β-primeveroside) is an anthraquinone derivative present in madder root, which has been used as a coloring agent and food additive. Lucidin primeveroside can be metabolically converted to genotoxic compound Lucidin, which subsequently forms lucidin-specific DNA adducts .

HY-N1282

Seneciphylline	Alkaloids other families Pyrrole Alkaloids Classification of Application Fields Plants Compositae Sophora yunnanensis C. Y. Ma Disease Research Fields Source Classification Cancer	Glutathione S-transferase Cytochrome P450
Seneciphylline is an orally effective hepatotoxic inducer. Seneciphylline is metabolized by CYP450 enzymes into active intermediates, which covalently bind to intracellular biomacromolecules such as proteins and DNA to form adducts, which in turn trigger a series of toxic reactions, such as inducing cell apoptosis and damaging mitochondrial function. Seneciphylline can be used in hepatotoxicity research[1][2].

HY-N10686

Tanshinone IIA anhydride	Structural Classification Flavonoids Labiatae Samanea saman (Jacq.) Merr. Plants Other Flavonoids Source Classification	Carboxylesterase (CES)
Tanshinone IIA anhydride, present in root extracts of Salvia miltiorrhiza, acts as an inhibitor of human carboxylesterase (CE). Tanshinone IIA anhydride has a K_i value of 1.9 nM against hCE1 and a K_i value of 1.4 nM against hiCE. Tanshinone IIA anhydride forms a stable covalent complex with serine Ser221 at the active site of hCE1, blocking the catalytic cycle of carboxylesterase, and the activity of the inactivated enzyme cannot recover spontaneously. Tanshinone IIA anhydride is applicable in metabolism-related studies .

HY-N12851

4-OHE (E)-4-Oxo-2-hexenal	Structural Classification Animals Ketones, Aldehydes, Acids Source Classification	Bacterial Apoptosis
4-OHE ((E)-4-Oxo-2-hexenal) is a mutagen formed by omega-3 lipid peroxidation. 4-OHE reacts with deoxyguanosine, deoxycytidine and 5-methyldeoxycytidine to form covalent adducts. 4-OHE induces apoptosis and exhibits genotoxicity. 4-OHE inhibits the growth of Gram-positive and Gram-negative bacteria, which correlates with its electrophilic reactivity towards nucleophilic biomolecules. 4-OHE is a chemical defense component of Dolycoris baccarum (sloe bug), and acts as a deterrent and toxin against insect predators .

HY-N9279

Dehydromonocrotaline Monocrotaline pyrrole; MCTP; 3,8-Didehydromonocrotaline	Pyrrolizidine Alkaloids Structural Classification Alkaloids Endogenous metabolite Source Classification	Endogenous Metabolite
Dehydromonocrotaline is a mitochondrial respiratory chain complex I NADH oxidase inhibitor, with a IC₅₀ of 62.06 μM and a K_i of 8.1 μM in rats. Dehydromonocrotaline exerts non-competitive inhibitory effects by modifying cysteine thiol groups on complex I, and does not bind to the NADH-binding site. Dehydromonocrotaline dissipates mitochondrial membrane potential and reduces ATP levels. Dehydromonocrotaline can be used in studies related to hepatotoxicity, pulmonary hypertension and liver tumors .

HY-N3515

Multicaulisin	Infection Flavonoids Classification of Application Fields Phenols Polyphenols Morus multicaulis Plants Moraceae Disease Research Fields Isoflavones Source Classification	Bacterial
Multicaulisin, a new Diels-Alder type adduct from Morus multicaulis roots, potently effects against Staphylococcus aureus (MRSA) isolates. Multicaulisin is an antibacterial agent and has the potential for MRSA infections research .

HY-113045

Aquacobalamin	Microorganisms Source Classification	Endogenous Metabolite
Aquacobalamin is one of the major forms of vitamin B12 isolated from mammalian cells. Aquacobalamin accelerates the oxidation of azo-dye Orange II (HY-N1442) by HSO₅ ^- in aqueous solutions. Aquacobalamin binds hydrogen peroxide reversibly to form a cobalt(III) hydroperoxo adduct with a 0.25 mM dissociation constant .

HY-N6828

Monocrotaline N-Oxide	Alkaloids Pyrrole Alkaloids Classification of Application Fields Leguminosae Metabolic Disease Plants Crotalaria pallida Ait. Disease Research Fields Source Classification	Others
Monocrotaline N-Oxide, a monocrotaline metabolite, leads to DNA adduct formation in vivo .

HY-69014R

2-O-Methylcytosine (Standard)	Structural Classification Natural Products Endogenous metabolite Source Classification	DNA/RNA Synthesis Endogenous Metabolite Reference Standards
2-O-Methylcytosine (Standard) is the analytical standard of 2-O-Methylcytosine. This product is intended for research and analytical applications. 2-O-Methylcytosine, an O-alkylated analogue a DNA adduct, is the damaged nucleobase .

HY-116832

Retrorsine N-oxide	Alkaloids Pyrrole Alkaloids Classification of Application Fields Plants Compositae Baptisia australis (L.) R. Br. Disease Research Fields Source Classification Cancer	NO Synthase
Retrorsine N-oxide, an N-oxide of pyrrolizidine alkaloid, is a carcinogen. Retrorsine N-oxide-derived DNA adducts are common toxicological biomarkers of pyrrolizidine alkaloid N-oxides .

HY-N6828R

Monocrotaline N-Oxide (Standard)	Alkaloids Structural Classification Pyrrole Alkaloids Leguminosae Crotalaria pallida Ait. Plants Source Classification	Reference Standards Others
Monocrotaline N-Oxide (Standard) is the analytical standard of Monocrotaline N-Oxide. This product is intended for research and analytical applications. Monocrotaline N-Oxide, a monocrotaline metabolite, leads to DNA adduct formation in vivo .

HY-N15366

N-Acetoxy-IQ	Alkaloids Animals Quinoline Alkaloids Source Classification	DNA Alkylator/Crosslinker
N-Acetoxy-IQ is a DNA alkylating agent that can covalently bind to DNA, especially guanine residues. N-Acetoxy-IQ exerts mutagenic and carcinogenic activities by forming DNA adducts. N-Acetoxy-IQ is promising for research of cancers .

HY-124489R

2-Hydroxyestradiol (Standard)	Structural Classification Phenols Polyphenols Endogenous metabolite Steroids Source Classification	Endogenous Metabolite Reference Standards
2-Hydroxyestradiol (Standard) is the analytical standard of 2-Hydroxyestradiol. This product is intended for research and analytical applications. 2-Hydroxyestradiol, a metabolite of 17β-estradiol with minimal estrogenic activity, possesses antioxidant effects and reacts with DNA to form stable adducts and exerts genotoxicity .

HY-N0769R

Isopimpinellin (Standard)	Structural Classification Microorganisms Coumarins Soroseris hookeriana (C. B. Clarke) Stebbins Phenylpropanoids Umbelliferae Plants Source Classification	Reference Standards DNA/RNA Synthesis Parasite
Isopimpinellin (Standard) is the analytical standard of Isopimpinellin. This product is intended for research and analytical applications. Isopimpinellin, an orally active compound isolated from Glomerella cingulata. Isopimpinellin blocks DNA adduct formation and skin tumor initiation by 7,12-dimethylbenz[a]anthracene. Isopimpinellin possesses anti-leishmania effect .

HY-N0511R

Aristolochic acid B (Standard) Aristolochic acid II (Standard)	Structural Classification Natural Products other families Plants Source Classification	Reference Standards DNA Alkylator/Crosslinker
Aristolochic acid B (Standard) is the analytical standard of Aristolochic acid B (HY-N0511). This product is intended for research and analytical applications. Aristolochic acid B (Aristolochic Acid II) is an orally active major component of aristolochic acid (AA). Aristolochic acid B can be isolated from plants of the genus Aristolochica. Aristolochic acid B forms DNA adducts. Aristolochic acid B is mutagenic. Aristolochic acid B exhibits a greater carcinogenic risk in vivo than Aristolochic acid I (HY-N0510) .

HY-113466R

4-Hydroxynonenal (Standard) 4-HNE (Standard)	Structural Classification Ketones, Aldehydes, Acids Disease markers Nervous System Disorder Endogenous metabolite	Aldehyde Dehydrogenase (ALDH) Endogenous Metabolite Reference Standards
4-Hydroxynonenal (Standard) is the analytical standard of 4-Hydroxynonenal. This product is intended for research and analytical applications. 4-Hydroxynonenal (4-HNE) is an α,β unsaturated hydroxyalkenal and an oxidative/nitrosative stress biomarker. 4-Hydroxynonenal is a substrate and an inhibitor of acetaldehyde dehydrogenase 2 (ALDH2). 4-Hydroxynonenal can modulate a number of signaling processes mainly through forming covalent adducts with nucleophilic functional groups in proteins, nucleic acids, and membrane lipids. 4-Hydroxynonenal plays an important role in cancer through mitochondria .

HY-N16670

Sorocein H Sanggenon P	Structural Classification Morus nigra Linn. Phenols Polyphenols Plants Moraceae Source Classification	Tyrosinase
Sorocein H (Sanggenon P) is a mulberry Diels–Alder‑type adduct (MDAA). Sorocein H has inhibitory activity against tyrosinase with an IC₅₀ of 6.49 μM. Sorocein H can reduce melanin synthesis. Sorocein H can be used in the research of pigment-related diseases .

HY-N18065

Kuwanon Y	Structural Classification Morus macroura Miq. Phenols Polyphenols Plants Moraceae Source Classification	Reactive Oxygen Species (ROS)
Kuwanon Y is a Diels-Alder type adduct with antioxidant activity. Kuwanon Y is present in the stem bark of Morus macroura Miq .

HY-W697750

trans-2-Methyl-2-butenal Tiglaldehyde	Structural Classification Natural Products Allium schoenoprasum L. Plants Amaryllidaceae Source Classification	Biochemical Assay Reagents
trans-2-Methyl-2-butenal (Tiglaldehyde) is an adduct former that can be found in cigarette smoke, and very weakly inhibits growth of cancer cells and normal mouse cells. trans-2-Methyl-2-butenal forms adducts with glutathione (GSH) via Michael addition.trans-2-Methyl-2-butenal is an α,β-unsaturated carbonyl compound .

HY-W842446

Enzyme-IN-4	Structural Classification Microorganisms Phenols Polyphenols Source Classification	Glyoxalase (GLO)
Enzyme-IN-4 is a competitive inhibitor of glyoxalase I that can be found in Stereum hirsutum. Enzyme-IN-4 has a K_i value of 4.6 μM against rat liver glyoxalase I .

HY-N7469

Glabralide A	Structural Classification Other Monoterpenes Terpenoids Sarcandra glabra (Thunb.) Nakai Other Phenylpropanoids Chloranthaceae Phenylpropanoids Plants Source Classification	Drug Derivative
Glabralide A is a natural chalcone.

Cat. No.	Product Name	Chemical Structure

HY-D0017S

Dansyl chloride-d6
Dansyl chloride-d₆ is the deuterium labeled Dansyl chloride (HY-D0017). Dansyl chloride is a reagent that produces stable blue or blue-green fluorescent sulfonamide adducts in the reaction of aliphatic and aromatic amines with primary amino groups, and is widely used for modified amino acids, protein sequencing and amino acid analysis .

HY-113466S

4-Hydroxynonenal-d3

4-Hydroxynonenal-d₃ is the deuterium labeled 4-Hydroxynonenal. 4-Hydroxynonenal (4-HNE) is an α,β unsaturated hydroxyalkenal and an oxidative/nitrosative stress biomarker. 4-Hydroxynonenal is a substrate and an inhibitor of acetaldehyde dehydrogenase 2 (ALDH2). 4-Hydroxynonenal can modulate a number of signaling processes mainly through forming covalent adducts with nucleophilic functional groups in proteins, nucleic acids, and membrane lipids. 4-Hydroxynonenal plays an important role in cancer through mitochondria .

HY-W016433S1

2-Aminofluorene-d11
2-Aminofluorene-d₁₁ is the deuterium labeled 2-Aminofluorene . 2-Aminofluorene is a synthetic chemical insecticide. 2-Aminofluorene is a genotoxin. 2-Aminofluorene can be used in the research of DNA adduct structure, DNA repair, carcinogenesis, and mutagenesis .

HY-W010482S

3-Ethylaniline-d5
3-Ethylaniline-d₅ is the deuterium labeled 3-Ethylaniline (HY-W010482). 3-Ethylaniline is metabolized in vivo to electrophilic intermediates that covalently bind to DNA and that adducts are formed in the DNA of bladder. 3-Ethylaniline can be used for the research of bladder cancer .

HY-W702826

1-Nitrosopyrrolidine-d4
1-Nitrosopyrrolidine-d₄ is the deuterium labeled 1-Nitrosopyrrolidine (HY-W141077). 1-Nitrosopyrrolidine is a molecule that primarily interacts with DNA and proteins, leading to the formation of DNA adducts and protein adducts.

HY-B0306S

Prothionamide-d5

Prothionamide-d₅ is deuterium labeled Prothionamide (HY-B0306). Prothionamide is an orally active thioamide antibacterial agent. Prothionamide is a substrate of OCT1 with a K_m value of 805.8 μM. Prothionamide reacts with NAD to form a covalent adduct, with the adduct being a tight-binding inhibitor of Mycobacterium tuberculosis and Mycobacterium leprae InhA. Prothionamide can effectively inhibit the growth of Mycobacterium tuberculosis (MIC = ~0.5 µg/mL) and Mycobacterium leprae. Prothionamide is used in the research of tuberculosis and leprosy .

HY-W739619

Paracetamol-cysteine-d5 TFA
Paracetamol-cysteine-d₅ TFA is the deuterium labeled Paracetamol-cysteine TFA (HY-139093A). Paracetamol-cysteine TFA is an acetaminophen-protein adduct formed during the metabolism of acetaminophen (HY-66005) .

HY-124489S1

2-Hydroxyestradiol-d5
2-Hydroxyestradiol-d₅ is the deuterium labeled 2-Hydroxyestradiol. 2-Hydroxyestradiol, a metabolite of 17β-estradiol with minimal estrogenic activity, possesses antioxidant effects and reacts with DNA to form stable adducts and exerts genotoxicity[ .

HY-W745771

D-Penicillamine-d6
D-Penicillamine-d₆ is the deuterium labeled L-Penicillamine (HY-116073). L-Penicillamine is a mechanism-based inhibitor of serine palmitoyltransferase by forming a pyridoxal-5 '-phosphate-thiazolidine adduct. L-Penicillamine is a metal chelating agent of intermediate strength .

HY-124489S

2-Hydroxyestradiol-13C6
2-Hydroxyestradiol- ¹³C₆ is the ¹³C-labeled 2-Hydroxyestradiol. 2-Hydroxyestradiol, a metabolite of 17β-estradiol with minimal estrogenic activity, possesses antioxidant effects and reacts with DNA to form stable adducts and exerts genotoxicity .

HY-W016433S

2-Aminofluorene-13C
2-Aminofluorene- ¹³C is the ¹³C labeled 2-Aminofluorene . 2-Aminofluorene is a synthetic chemical insecticide. 2-Aminofluorene is a genotoxin. 2-Aminofluorene can be used in the research of DNA adduct structure, DNA repair, carcinogenesis, and mutagenesis .

HY-W743781

N-Nitrosonornicotine-d4
N-Nitrosonornicotine-d₄ ((2S)-N'-Nitrosonornicotine-d₄) is deuterium labeled N-Nitrosonornicotine. N-Nitrosonornicotine is a tobacco-specific nitrosamine that has carcinogenic and mutagenic activity, and it can induce micronuclei in C3A cells. N-Nitrosonornicotine can form DNA adducts .

HY-128463S

N-tert-Butyl-α-phenylnitrone-d14

N-tert-Butyl-α-phenylnitrone-d₁₄ is the deuterium labeled N-tert-Butyl-α-phenylnitrone . N-tert-Butyl-α-phenylnitrone is a nitrone-based free radical scavenger that forms nitroxide spin adducts. N-tert-Butyl-α-phenylnitrone inhibits COX2 catalytic activity. N-tert-Butyl-α-phenylnitrone has potent ROS scavenging, anti-inflammatory, neuroprotective, anti-aging and anti-diabetic activities, and can penetrate the blood-brain barrier .

HY-W778179

Benoxaprofen-13C,d3

Benoxaprofen- ¹³C, d₃ is the ¹³C-labeled Benoxaprofen (HY-13568). Benoxaprofen (LRCL 3794) is a nonsteroidal anti-inflammatory agent that blocks the biosynthesis of inflammatory mediators such as leukotrienes and prostaglandins by inhibiting 5-LOX, PGH2 synthase and cytochrome P-450. Benoxaprofen exhibits significant toxicity: it not only alters cellular redox status, uncouples oxidative phosphorylation and disrupts calcium ion homeostasis, but also causes liver injury through the formation of covalent adducts between its active metabolites and hepatic proteins. Benoxaprofen shows strong phototoxicity under ultraviolet irradiation, and induces erythrocyte lysis, mast cell degranulation and histamine release. Benoxaprofen is widely used in studies of urticaria and related phototoxic mechanisms .

HY-Y1010S

Oxiran-2-ylmethanol-d5

Oxiran-2-ylmethanol-d₅ is the deuterium labeled Oxiran-2-ylmethanol (Glycidol) (HY-Y1010). Oxiran-2-ylmethanol is an ester product. Oxiran-2-ylmethanol induces base pair point mutations in bacterial strains and structural chromosome aberrations in cultured cells. Oxiran-2-ylmethanol forms N-(2,3-dihydroxypropyl)valine hemoglobin adducts. Oxiran-2-ylmethanol acts as an animal carcinogen but does not significantly induce micronucleated immature erythrocytes in animal bone marrow. Oxiran-2-ylmethanol enables anionic polymerization to produce linear poly(glycidol). Oxiran-2-ylmethanol can be used for cancer-related research .

HY-W767399

8-Bromo-2'-deoxyguanosine-13C,15N2

8-Bromo-2'-deoxyguanosine- ¹³C, ¹⁵N2 is the ¹³C- and ¹⁵N-labeled 8-Bromo-2'-deoxyguanosine (HY-W011168). 8-Bromo-2'-deoxyguanosine is an inflammation-related DNA halogenated adduct and an early biomarker of inflammation-induced oxidative tissue damage. The formation of 8-Bromo-2'-deoxyguanosine precedes that of oxidative and nitrative products, and it can be generated via the MPO-H₂O₂-Cl ^--Br ^- system. 8-Bromo-2'-deoxyguanosine serves as the immunogen for preparing the monoclonal antibody mAb8B3, which can be used to detect early DNA modifications in preclinical models; its urinary level also increases significantly in inflammatory disease models. 8-Bromo-2'-deoxyguanosine can also be produced in the dermis of UV-B irradiated mice, and the extract of Coprinus comatus significantly reduces its level. 8-Bromo-2'-deoxyguanosine finds applications in studies related to inflammatory diseases, diabetes, hepatocellular carcinoma, and UV-B induced skin inflammation .

HY-D0017S1

Dansyl chloride-13C2
Dansyl chloride- ¹³C₂ is the ¹³C labeled Dansyl chloride (HY-D0017) . Dansyl chloride is a reagent that produces stable blue or blue-green fluorescent sulfonamide adducts in the reaction of aliphatic and aromatic amines with primary amino groups, and is widely used for modified amino acids, protein sequencing and amino acid analysis.

Cat. No.	Product Name		Classification

HY-D2871

DAyne		Alkynes
DAyne is a Dopamine (DA)-mimetic probe. DAyne covalently binds to proteins modified by dopamine oxidation products (e.g., dopaquinone, DQ) to form adducts. DAyne is promising for research of Parkinson’s disease (PD), particularly neurotoxicity, protein modification, and related pathways (e.g., endoplasmic reticulum stress, cytoskeletal instability) caused by dopamine dysregulation .

HY-D2161

AF 594 azide		Azide
AF 594 azide is an azide derivative of the red fluorescent dye AF 594, which has high fluorescence quantum yield and high photostability (maximum absorption wavelength of 586 nm, maximum emission wavelength of 613 nm). AF 594 azide forms stable adducts by reaction of the azide group with alkynyl derivatives (terminal alkynes and cyclooctyne). It contains an azide group and can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing alkyne groups. It can also undergo ring strain-promoted alkyne-azide cycloaddition (SPAAC) with molecules containing DBCO or BCN groups .

HY-W192446

Nicotinoyl azide		Azide
Nicotinoyl azide is capable of forming high energy intermediates known to form C-8 adducts with adenosine and guanosine . It contains an azide group and can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing alkyne groups. It can also undergo ring strain-promoted alkyne-azide cycloaddition (SPAAC) with molecules containing DBCO or BCN groups.

HY-207462

CBA-4		Alkynes
CBA-4 is an L,D-transpeptidase inhibitor. CBA-4 covalently acylates the active site of L,D-transpeptidase to form a stable acylenzyme adduct. CBA-4 can be used for research on bacterial resistance .

Cat. No.	Product Name		Classification

HY-W011168

8-Bromo-2'-deoxyguanosine		Nucleoside Analogs Guanosine
8-Bromo-2'-deoxyguanosine is an inflammation-related DNA halogenated adduct and an early biomarker of inflammation-induced oxidative tissue damage. The formation of 8-Bromo-2'-deoxyguanosine precedes that of oxidative and nitrative products, and it can be generated via the MPO-H₂O₂-Cl ^--Br ^- system. 8-Bromo-2'-deoxyguanosine serves as the immunogen for preparing the monoclonal antibody mAb8B3, which can be used to detect early DNA modifications in preclinical models; its urinary level also increases significantly in inflammatory disease models. 8-Bromo-2'-deoxyguanosine can also be produced in the dermis of UV-B irradiated mice, and the extract of Coprinus comatus significantly reduces its level. 8-Bromo-2'-deoxyguanosine finds applications in studies related to inflammatory diseases, diabetes, hepatocellular carcinoma, and UV-B induced skin inflammation .

HY-W347492

6-O-Methyldeoxyguanosine O6-Methyl-2′-deoxyguanosine		Nucleoside Analogs Guanosine
O6-Methyldeoxy guanosine; DNA adduct is a purine nucleoside analog. Purine nucleoside analogs have broad antitumor activity targeting indolent lymphoid malignancies. Anticancer mechanisms in this process rely on inhibition of DNA synthesis, induction of apoptosis, etc .

HY-154406

2′-Deoxy-N-methylguanosine		Nucleoside Analogs Guanosine
2’-Deoxy-N2-methylguanosine, DNA adduct is a purine nucleoside analog. Purine nucleoside analogs have broad antitumor activity targeting indolent lymphoid malignancies. Anticancer mechanisms in this process rely on inhibition of DNA synthesis, induction of apoptosis, etc .

HY-154578

N1-Methyl-2'-deoxyadenosine		Nucleoside Analogs Adenosine
N1-Methyl-2'-deoxyadenosine, DNA adduct is a purine nucleoside analog. Purine nucleoside analogs have broad antitumor activity targeting indolent lymphoid malignancies. Anticancer mechanisms in this process rely on inhibition of DNA synthesis, induction of apoptosis, etc .

HY-155921

mPEG5000-CHO mPEG5000-Aldehyde		Polymers
mPEG5000-CHO participates in the formation of a three-dimensional porous scaffold which carries active substances to form a delivery vehicle. The -CHO functional group interacts with the -NH2 functional group of the chitosan chain to form a glutaraldehyde-type adduct to functionalize mPEG. This functionalization and cross-linking can affect the rigidity of the delivery system, allowing slow release of the cross-linked conjugate system.

HY-155922

mPEG10000-CHO mPEG10000-Aldehyde		Polymers
mPEG10000-CHO participates in the formation of a three-dimensional porous scaffold which carries active substances to form a delivery vehicle. The -CHO functional group interacts with the -NH2 functional group of the chitosan chain to form a glutaraldehyde-type adduct to functionalize mPEG. This functionalization and cross-linking can affect the rigidity of the delivery system, allowing slow release of the cross-linked conjugate system.

HY-155919

mPEG2000-CHO mPEG2000-Aldehyde		Polymers
mPEG2000-CHO participates in the formation of a three-dimensional porous scaffold which carries active substances to form a delivery vehicle. The -CHO functional group interacts with the -NH2 functional group of the chitosan chain to form a glutaraldehyde-type adduct to functionalize mPEG. This functionalization and cross-linking can affect the rigidity of the delivery system, allowing slow release of the cross-linked conjugate system.

HY-155918

mPEG1000-CHO mPEG1000-Aldehyde		Polymers
mPEG1000-CHO participates in the formation of a three-dimensional porous scaffold that carries active substances to form a delivery vehicle. The -CHO functional group interacts with the -NH2 functional group of the chitosan chain to form a glutaraldehyde-type adduct to functionalize mPEG. This functionalization and cross-linking can affect the rigidity of the delivery system, allowing slow release of the cross-linked conjugate system.

HY-155923

mPEG20000-CHO mPEG20000-Aldehyde		Polymers
mPEG20000-CHO participates in the formation of a three-dimensional porous scaffold which carries active substances to form a delivery vehicle. The -CHO functional group interacts with the -NH2 functional group of the chitosan chain to form a glutaraldehyde-type adduct to functionalize mPEG. This functionalization and cross-linking can affect the rigidity of the delivery system, allowing slow release of the cross-linked conjugate system.

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