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Results for "

Stereoisomer

" in MedChemExpress (MCE) Product Catalog:

By Targets:	15-PGDH (1) ADC Payload (3) Adrenergic Receptor (7) Akt (4) Amino Acid Derivatives (1) Antibiotic (3) Apoptosis (3) ATF6 (1) Autophagy (3) Bacterial (9) Beta-lactamase (1) Biochemical Assay Reagents (7) Cannabinoid Receptor (2) Casein Kinase (1) Ceramidase (1) Cytochrome P450 (2) Dengue Virus (2) DNA/RNA Synthesis (3) Drug Derivative (11) Drug Isomer (13) Drug Metabolite (2) Drug-Linker Conjugates for ADC (2) EGFR (1) Endogenous Metabolite (23) Environmental Pollutants (3) Epigenetic Reader Domain (1) Estrogen Receptor/ERR (2) Ferroptosis (2) Fluorescent Dye (1) FOXO (2) Free Fatty Acid Receptor (1) FXR (2) GABA Receptor (1) GCGR (1) GLUT (2) HCV (2) Heme Oxygenase (HO) (2) Herbicide (3) Histamine Receptor (2) Histone Demethylase (1) Histone Methyltransferase (1) HSV (1) Interleukin Related (2) Isotope-Labeled Compounds (7) Keap1-Nrf2 (2) Microtubule/Tubulin (2) Mitophagy (2) MMP (1) NF-κB (2) NO Synthase (1) NOD-like Receptor (NLR) (1) Opioid Receptor (1) Orphan Nuclear Receptor (1) Parasite (3) Prostaglandin Receptor (4) PROTACs (1) Reactive Oxygen Species (ROS) (3) Reference Standards (13) Src (1) STAT (1) Syk (1) TNF Receptor (2) Topoisomerase (5) UGT (1) Wnt (2) β-catenin (1)
By Research Areas:	Cancer (17) Cardiovascular Disease (11) Endocrinology (4) Infection (19) Inflammation/Immunology (12) Metabolic Disease (24) Neurological Disease (11)

By Targets:

15-PGDH (1)

ADC Payload (3)

Adrenergic Receptor (7)

Akt (4)

Amino Acid Derivatives (1)

Antibiotic (3)

Apoptosis (3)

ATF6 (1)

Autophagy (3)

Bacterial (9)

Beta-lactamase (1)

Biochemical Assay Reagents (7)

Cannabinoid Receptor (2)

Casein Kinase (1)

Ceramidase (1)

Cytochrome P450 (2)

Dengue Virus (2)

DNA/RNA Synthesis (3)

Drug Derivative (11)

Drug Isomer (13)

Drug Metabolite (2)

Drug-Linker Conjugates for ADC (2)

EGFR (1)

Endogenous Metabolite (23)

Environmental Pollutants (3)

Epigenetic Reader Domain (1)

Estrogen Receptor/ERR (2)

Ferroptosis (2)

Fluorescent Dye (1)

FOXO (2)

Free Fatty Acid Receptor (1)

FXR (2)

GABA Receptor (1)

GCGR (1)

GLUT (2)

HCV (2)

Heme Oxygenase (HO) (2)

Herbicide (3)

Histamine Receptor (2)

Histone Demethylase (1)

Histone Methyltransferase (1)

HSV (1)

Interleukin Related (2)

Isotope-Labeled Compounds (7)

Keap1-Nrf2 (2)

Microtubule/Tubulin (2)

Mitophagy (2)

MMP (1)

NF-κB (2)

NO Synthase (1)

NOD-like Receptor (NLR) (1)

Opioid Receptor (1)

Orphan Nuclear Receptor (1)

Parasite (3)

Prostaglandin Receptor (4)

PROTACs (1)

Reactive Oxygen Species (ROS) (3)

Reference Standards (13)

Src (1)

STAT (1)

Syk (1)

TNF Receptor (2)

Topoisomerase (5)

UGT (1)

Wnt (2)

β-catenin (1)

By Research Areas:

Cancer (17)

Cardiovascular Disease (11)

Endocrinology (4)

Infection (19)

Inflammation/Immunology (12)

Metabolic Disease (24)

Neurological Disease (11)

107

Inhibitors & Agonists

Biochemical Assay Reagents

Peptides

Natural
Products

Isotope-Labeled Compounds

Cat. No.	Product Name	Target	Research Areas	Chemical Structure

HY-I1060

L-Alloisoleucine 1 Publications Verification (3R)-LS-Isoleucine	Endogenous Metabolite	Metabolic Disease
L-Alloisoleucine is a stereoisomer of L-isoleucine. L-Alloisoleucine can be used in skeletal muscle research .

HY-13030A

(R)-(-)-JQ1 Enantiomer Maximum Cited Publications 10 Publications Verification	Epigenetic Reader Domain	Cancer
(R)-(-)-JQ1 Enantiomer is the stereoisomer of (+)-JQ1. (+)-JQ1 potently decreases expression of both BRD4 target genes, whereas (R)-(-)-JQ1 Enantiomer has no effect.

HY-W010042

L-Glucose 1 Publications Verification L-(-)-Glucose	Fluorescent Dye	Metabolic Disease Cancer
L-Glucose (L-(-)-Glucose) is a stereoisomer of D-Glucose (HY-B0389), which does not readily enter the brain. L-Glucose can promote food intake. L-glucose is combined with a fluorescence detector to produce a fluorescent probe that can be used to visualize and characterize cancer cells. L-Glucose also can be used in the research to enhance memory in mice .

HY-100587

D-Glutamine 2 Publications Verification	Autophagy Mitophagy Endogenous Metabolite Ferroptosis	Metabolic Disease
D-Glutamine is a cell-permeable D type stereoisomer of Glutamine.

HY-N7142S

DL-Norepinephrine-d6 hydrochloride	Adrenergic Receptor	Neurological Disease Metabolic Disease
DL-Norepinephrine-d₆ hydrochloride is the deuterium labeled DL-Norepinephrine hydrochloride. DL-Norepinephrine hydrochloride is an external racemic catecholamine neurotransmitter, which is an equal mixture of the left-handed (L-, with activity) and right-handed (D-, with very low or no activity) stereoisomers. DL-Norepinephrine hydrochloride after being labeled with tritium can be used as a tracer for the research on Parkinson's disease .

HY-P10925A

(Z)-Zolucatetide (Z)-FOG-001; I-67	β-catenin	Cancer
(Z)-Zolucatetide (I-67) is a β-catenin inhibitor with IC₅₀ ≤50 nM. (Z)-Zolucatetide's sequence is Ac-PL3-Asp-Npg-B5-Asp-3COOHF-Aib-Ala-Phe-Lys3-PyrS2-3Thi-BztA-GlnR3-Ala-NH₂. (Z)-Zolucatetide can be used for cancer research .

HY-N2436

2,3-Dihydroxysuccinic acid Tartaric acid	Biochemical Assay Reagents	Others
2,3-Dihydroxysuccinic acid (Tartaric acid) is an organic acid containing two hydroxyl groups and two carboxyl groups. 2,3-Dihydroxysuccinic acid exists in various stereoisomers and is widely used in food, pharmaceutical, chemical, and other fields .

HY-W016733

D-Citrulline H-D-Cit-OH	Endogenous Metabolite	Cardiovascular Disease
D-Citrulline (H-D-Cit-OH) is a stereoisomer of L-citrulline (HY-N0391). D-Citrulline significantly attenuates polymorphonuclear leukocyte (PMN)-induced cardiac contractile dysfunction in the isolated perfused rat heart subjected to ischemia/reperfusion via a non-NO-mediated mechanism .

HY-N7142

DL-Norepinephrine hydrochloride 2 Publications Verification	Adrenergic Receptor	Neurological Disease
DL-Norepinephrine hydrochloride is an external racemic catecholamine neurotransmitter, which is an equal mixture of the left-handed (L-, with activity) and right-handed (D-, with very low or no activity) stereoisomers. DL-Norepinephrine hydrochloride after being labeled with tritium can be used as a tracer for the research on Parkinson's disease .

HY-135026

DL-Norepinephrine tartrate 2 Publications Verification	Adrenergic Receptor	Neurological Disease
DL-Norepinephrine tartrate is an external racemic catecholamine neurotransmitter, which is an equal mixture of the left-handed (L-, with activity) and right-handed (D-, with very low or no activity) stereoisomers. DL-Norepinephrine tartrate after being labeled with tritium can be used as a tracer for the research on Parkinson's disease .

HY-132182

HPA-12 1 Publications Verification	Ceramidase Autophagy Apoptosis ATF6	Neurological Disease Cancer
HPA-12 is a blood-brain barrier-permeable small-molecule inhibitor of ceramide transfer protein (CERT) with four stereoisomers (the (1R,3R)-stereoisomer exhibits the highest activity). HPA-12 blocks the transport of ceramide from the endoplasmic reticulum to the Golgi apparatus by binding to the START domain of CERT, leading to intracellular ceramide accumulation and inhibition of sphingomyelin (SM) synthesis. HPA-12 induces endoplasmic reticulum stress via the GRP78/ATF6/CHOP axis and activates mitochondrial autophagy, thereby inhibiting cell growth and inducing apoptosis. In in vivo experiments, HPA-12 significantly reduces the leukemia burden and splenomegaly in mouse models of acute myeloid leukemia (AML) and prolongs survival. HPA-12 is applicable for the research of lipid metabolism in acute myeloid leukemia and Alzheimer's disease .

HY-N1401

20(R)-Ginsenoside Rh2 2 Publications Verification	MMP Apoptosis HSV DNA/RNA Synthesis NO Synthase Prostaglandin Receptor Reactive Oxygen Species (ROS) Akt	Infection Inflammation/Immunology Cancer
20(R)-Ginsenoside Rh2 is an orally active protopanaxadiol-type saponin with multiple biological activities. 20(R)-Ginsenoside Rh2 exerts a significant inhibitory effect on non-small cell lung cancer and liver cancer by inducing cell cycle arrest and promoting apoptosis. 20(R)-Ginsenoside Rh2 exerts anti-γ-herpesvirus effects by inhibiting viral DNA replication. 20(R)-Ginsenoside Rh2 inhibits inflammatory mediators by reducing the levels of NO, PGE2, and ROS; it can delay skin photoaging by reducing ROS and inhibiting MMP-9/2 activity. 20(R)-Ginsenoside Rh2 accelerates the recovery after muscle injury by activating the Akt1/PKB signaling pathway. 20(R)-Ginsenoside Rh2 can inhibit osteoclast formation and exert an anti-osteoporosis effect .

HY-Y1804

D-Lysine monohydrochloride	Endogenous Metabolite	Others
D-Lysine monohydrochloride is an Lysine stereoisomer which can be used as a component of surfactants .

HY-137261

UDP-β-D-glucose disodium	Endogenous Metabolite	Metabolic Disease
UDP-β-D-glucose disodium acts as a glycosyl donor and biosynthetic intermediate, and is also a stereoisomer of UDP-α-D-glucose .

HY-177546

DBCO-PEG3-GGFG-Exatecan	Drug-Linker Conjugates for ADC Drug Derivative Topoisomerase	Cancer
DBCO-PEG3-GGFG-Exatecan is a Drug-linker conjugate for ADC. DBCO-PEG3-GGFG-Exatecan contains the ADC linker (DBCO-PEG3-GGFG) and a DNA topoisomerase I inhibitor Exatecan (HY-13631) .

HY-137428

(S,S)-EDDS	Environmental Pollutants Biochemical Assay Reagents	Others
(S,S)-EDDS is a stereoisomer of EDTA (HY-Y0682), and exhibits ability to chelate metal ions. (S,S)-EDDS exhibits good biodegradability in the environment, and can be used in environmental management and biotechnology .

HY-B1871S

Metolachlor-d6	Isotope-Labeled Compounds	Others
Metolachlor-d₆ is the deuterium labeled Metolachlor . Metolachlor is a pre-emergent selective, chloroacetanilide herbicide for the control of a variety of annual grass and broad leaf weeds in corn and other crops. Metolachlor is a chiral herbicide consisting of four stereoisomers .

HY-131130

Neomycin C	Bacterial Drug Isomer	Infection
Neomycin C is an impurity of Neomycin (HY-150520) and a stereoisomer of Neomycin B (HY-17624). Neomycin C exerts in vitro antimicrobial activity against Staphylococcus epidermidis and Staphylococcus aureus. Neomycin C can be used for the research of bacterial infection .

HY-111827

S-1-Propenyl-L-cysteine Maximum Cited Publications 6 Publications Verification	Histamine Receptor	Cardiovascular Disease Others Metabolic Disease Inflammation/Immunology
S-1-Propenyl-L-cysteine is a stereoisomer of S-allyl-l-cysteine, extracted from garlic, with immunomodulatory effects and reduces blood pressure in a hypertensive animal model . S-1-Propenyl-L-cysteine exhibits antioxidative efficacy through a NO-dependent BACH1 signaling pathway . S-1-Propenyl-L-cysteine is orally active.

HY-139601

KDM2B-IN-4	Histone Demethylase	Cancer
KDM2B-IN-4 (Compound 182b) is a histone demethylase KDM2B inhibitor with an IC₅₀ of 1.12 nM. KDM2B-IN-4 can be used for the research of hyperproliferative diseases such as cancers .

HY-N9487

(R)-(-)-α-Phellandrene (-)-α-Phellandrene	Environmental Pollutants Bacterial	Infection Inflammation/Immunology
(R)-(-)-α-Phellandrene ((-)-α-Phellandrene) is an the (R)-(-)-stereoisomer of α-phellandrene. α-phellandrene is an orally active cyclic monoterpene that attenuates inflammatory response, and induces DNA damage .

HY-N6935

Sennidin B	DNA/RNA Synthesis HCV Akt GLUT	Infection Metabolic Disease
Sennidin B, a stereoisomer isolated from the leaves of Cassia angustifolia, has lower activity than Sennidin A. Sennidin A inhibits HCV NS3 helicase, with an IC₅₀ of 0.8 μM. Sennidin A induces phosphorylation of Akt and glucose transporter 4 (GLUT4) translocation. Sennidin A stimulates the glucose incorporation .

HY-B1871

Metolachlor	Environmental Pollutants Herbicide	Others
Metolachlor is a pre-emergent selective, chloroacetanilide herbicide for the control of a variety of annual grass and broad leaf weeds in corn and other crops. Metolachlor is a chiral herbicide consisting of four stereoisomers .

HY-W001959

D-Allothreonine	Endogenous Metabolite	Metabolic Disease
D-Allothreonine is the D stereoisomer of Allothreonine. D-Allallreonine is a peptide lipid derived from bacteria. D-Allothreonine can be specifically oxidized by D-amino acid oxidase, while the L configuration has no reaction. D-Allallreonine is also a component of bacterial polysaccharides. D-Allallreonine can be used for researching bacterial pathogenicity, antigenic diversity and drug resistance .

HY-N0181A

Lumisterol 9β,10α-Ergosterol	Endogenous Metabolite	Metabolic Disease
Lumisterol (9β,10α-Ergosterol), a steroid compound, is the (9β,10α)-stereoisomer of Ergosterol (HY-N0181). Lumisterol is a photoprotective agent against UVB-induced DNA damage and anti-proliferative activities .

HY-112319

(R,S)-MK-8457	Drug Isomer Syk	Cardiovascular Disease Inflammation/Immunology
(R,S)-MK-8457 is a stereoisomer of MK-8457. MK-8457 is a dual inhibitor of Syk and ZAP70 .

HY-115429

Calcium dextrofolinate (6R)-Leucovorin calcium; (6R)-Folinic acid calcium	Drug Derivative	Metabolic Disease
Calcium dextrofolinate is a stereoisomer of Calcium folinate. Calcium folinate (Folinic acid calcium) is a biological folic acid and is generally administered along with methotrexate (MTX) as a rescue agent to decrease MTX-induced toxicity .

HY-108437

exo-IWR-1	Wnt	Infection Cancer
exo-IWR-1, an inactive stereoisomer of Endo-IWR-1, is a negative control of IWR-1 (HY-12238). IWR-1 is a tankyrase inhibitor which inhibits Wnt/β-catenin signaling pathway .

HY-N7142S3

DL-Norepinephrine-d6	Isotope-Labeled Compounds Adrenergic Receptor	Cardiovascular Disease Neurological Disease
DL-Norepinephrine-d₆ is the deuterium labeled DL-Norepinephrine. DL-Norepinephrine is an external racemic catecholamine neurotransmitter, which is an equal mixture of the left-handed (L-, with activity) and right-handed (D-, with very low or no activity) stereoisomers. DL-Norepinephrine after being labeled with tritium can be used as a tracer for the research on Parkinson's disease .

HY-121962

neo-Inositol	Endogenous Metabolite	Metabolic Disease
neo-Inositol, a stereoisomer of inositol, has been isolated from calf brain .

HY-W012479S

H-D-Trp-OH-d5 D-Tryptophan-d₅	Isotope-Labeled Compounds Endogenous Metabolite	Metabolic Disease
H-D-Trp-OH-d₅ (D-Tryptophan-d₅) is the deuterium labeled H-D-Trp-OH. H-D-Trp-OH is a D-stereoisomer of tryptophan and occasionally found in naturally produced peptides such as the marine venom peptide.

HY-W012885

(S)-Methyl 3-hydroxybutanoate	Biochemical Assay Reagents	Others
(S)-Methyl 3-hydroxybutanoate consists of a chiral center, resulting in two enantiomers, where (S)-Methyl 3-hydroxybutanoate means that the hydroxyl group is located on the third carbon atom of the S-configuration carboxylic acid group stereoisomers. This compound is often used as a building block for the synthesis of various pharmaceuticals and natural products. Due to its fruity taste, it is also used as a flavor and fragrance ingredient.

HY-116096

15-epi-PGE1 15(R)-Prostaglandin E1; 15-Epiprostaglandin E1	15-PGDH	Others
15-epi-PGE1 (15R-Prostaglandin E1; 15-Epiprostaglandin E1) is a stereoisomer of PGE1 (HY-B0131) but with less biological activity . 15-epi-PGE1 is a non-competitive inhibitor for human placental 15-Hydroxyprostaglandin dehydrogenase (15-PGDH) with an IC₅₀ of 170 μM .

HY-13631T

(1R,9S)-Exatecan (1R,9S)-DX8951f	Drug Derivative ADC Payload Topoisomerase	Cancer
(1R,9S)-Exatecan (DX8951f) is the (1R,9S) stereoisomer of Exatecan (HY-13631). Exatecan (DX-8951) is a DNA topoisomerase I inhibitor, with an IC₅₀ of 2.2 μM (0.975 μg/mL), and can be used in cancer research .

HY-158554

2-EEC hydrochloride	Biochemical Assay Reagents	Neurological Disease
2-EEC hydrochloride, a stereoisomer, is a drug derivative .

HY-W062274A

4-epi-Edoxaban tosylate 4-epi-DU-176b	Drug Derivative	Others
4-epi-Edoxaban tosylate (4-epi-DU-176b) is a stereoisomer impurity of Edoxaban (HY-10264).

HY-142162A

(S,R)-LSN3318839	GCGR	Metabolic Disease
(S,R)-LSN3318839 is the stereoisomer of LSN3318839 (HY-142162). LSN3318839 is an orally active positive modulator of the glucagon-like peptide-1 receptor (GLP-1R). LSN3318839 can increase the secretion of insulin and has the effect of lowering blood sugar .

HY-N7142S1

DL-Norepinephrine-d3 hydrochloride	Adrenergic Receptor	Neurological Disease
DL-Norepinephrine-d₃ hydrochloride is the deuterium labeled DL-Norepinephrine hydrochloride. DL-Norepinephrine hydrochloride is an external racemic catecholamine neurotransmitter, which is an equal mixture of the left-handed (L-, with activity) and right-handed (D-, with very low or no activity) stereoisomers. DL-Norepinephrine hydrochloride after being labeled with tritium can be used as a tracer for the research on Parkinson's disease.

HY-N2436R

2,3-Dihydroxysuccinic acid (Standard) Tartaric acid (Standard)	Biochemical Assay Reagents Reference Standards	Others
2,3-Dihydroxysuccinic acid (Standard) (Tartaric acid (Standard)) is the analytical standard of 2,3-Dihydroxysuccinic acid (HY-N2436). This product is intended for research and analytical applications. 2,3-Dihydroxysuccinic acid (Tartaric acid) is an organic acid containing two hydroxyl groups and two carboxyl groups. 2,3-Dihydroxysuccinic acid exists in various stereoisomers and is widely used in food, pharmaceutical, chemical, and other fields.

HY-147105A

(+)-LRH-1 agonist-2	Orphan Nuclear Receptor Interleukin Related	Inflammation/Immunology
(+)-LRH-1 modulator-1 is a stereoisomer of LRH-1 modulator-1. LRH-1 modulator-1 (compound 6N) is a potent LRH-1 (liver receptor homolog-1) modulator/agonist. LRH-1 modulator-1 has anti-inflammatory effects in intestinal organoids. LRH-1 modulator-1 induces the anti-inflammatory cytokine IL-10 and reduces the inflammatory cytokines IL-1b and TNFa .

HY-13631N

(9R)-Exatecan (9R)-DX8951f	Drug Derivative ADC Payload Topoisomerase	Cancer
(9R)-Exatecan (DX8951f) is the (1R,9S) stereoisomer of Exatecan (HY-13631). Exatecan (DX-8951) is a DNA topoisomerase I inhibitor, with an IC₅₀ of 2.2 μM (0.975 μg/mL), and can be used in cancer research.

HY-117682

L-(+)-threo-Chloramphenicol (+)-Chloramphenicol; Dextramycine; Dextromycetin	Antibiotic	Infection
L-(+)-threo-Chloramphenicol ((+)-Chloramphenicol) is the S,S-stereoisomer of Chloramphenicol (HY-B0239). L-(+)-Threo-chloramphenicol inhibits protein synthesis in reticulocytes. L-(+)-threo-Chloramphenicol also inhibits the oxidative activity of isolated mitochondria .

HY-W048718

Fmoc-D-Tle-OH Fmoc-D-α-t-butylglycine	Amino Acid Derivatives	Others
Fmoc-D-Tle-OH (Fmoc-D-α-t-butylglycine) is an amino acid derivative with an Fmoc protecting group, which can be used to synthesize chelating agents that can form a single stereoisomer-enriched form after coordination with metal centers .

HY-W012670

2-Deoxy-L-ribose	Apoptosis	Cancer
2-Deoxy-L-ribose is a stereoisomer of 2-Deoxy-d-ribose that inhibits 2-Deoxy-d-ribose anti-apoptotic effects. 2-Deoxy-L-ribose suppresses metastasis of tumor cells overexpressing thymidine phosphorylase .

HY-15954A

*NVP-CGM097 (stereoisomer)* CGM097 Stereoisomer	Drug Isomer	Others
NVP-CGM097 (stereoisomer) is a stereoisomer of NVP-CGM097, with no special bioactivity. NVP-CGM097 is a potent and selective MDM2 inhibitor.

HY-170859A

AH081	PROTACs Casein Kinase	Cancer
AH081 (Compound 38) is a CK1δ/ε PROTAC degrader. AH081 is the negative control compound of AH078 (HY-170859). AH081 has inhibitory but no degradation activity for CK1δ/ε by using an inactive stereoisomer of the VHL ligand . Pink: CK1δ/ε ligand (HY-148251); Blue: VHL ligase ligand (HY-125845B); Black: linker

HY-10013B

*Taranabant ((1R,2R)stereoisomer)* MK0364 (1R,2R)Stereoisomer	Cannabinoid Receptor	Others
Taranabant (1R,2R)stereoisomer is the R-enantiomer of Taranabant. Taranabant is a highly potent and selective cannabinoid 1 (CB1) receptor inverse agonist.

HY-112382

Iso-Olomoucine	Drug Isomer	Others
Iso-olomoucine is an inactive stereoisomer of the CDK5 inhibitor olomoucine with IC₅₀ >1 mM .

HY-I1060R

L-Alloisoleucine (Standard) (3R)-LS-Isoleucine (Standard)	Endogenous Metabolite Reference Standards	Metabolic Disease
L-Alloisoleucine (Standard) is the analytical standard of L-Alloisoleucine. This product is intended for research and analytical applications. L-Alloisoleucine is a stereoisomer of L-isoleucine. L-Alloisoleucine can be used in skeletal muscle research .

HY-118670A

16(R)-Iloprost	Prostaglandin Receptor	Cardiovascular Disease
16(R)-Iloprost is a stereoisomer of Iloprost. 16(R)-Iloprost inhibited platelet aggregation with IC₅₀ value of 65 nM .

Cat. No.	Product Name	Type

HY-N2436

2,3-Dihydroxysuccinic acid Tartaric acid	Biochemical Assay Reagents
2,3-Dihydroxysuccinic acid (Tartaric acid) is an organic acid containing two hydroxyl groups and two carboxyl groups. 2,3-Dihydroxysuccinic acid exists in various stereoisomers and is widely used in food, pharmaceutical, chemical, and other fields .

HY-W012885

(S)-Methyl 3-hydroxybutanoate

Biochemical Assay Reagents

(S)-Methyl 3-hydroxybutanoate consists of a chiral center, resulting in two enantiomers, where (S)-Methyl 3-hydroxybutanoate means that the hydroxyl group is located on the third carbon atom of the S-configuration carboxylic acid group stereoisomers. This compound is often used as a building block for the synthesis of various pharmaceuticals and natural products. Due to its fruity taste, it is also used as a flavor and fragrance ingredient.

HY-N2436R

2,3-Dihydroxysuccinic acid (Standard)

Tartaric acid (Standard)

Biochemical Assay Reagents

2,3-Dihydroxysuccinic acid (Standard) (Tartaric acid (Standard)) is the analytical standard of 2,3-Dihydroxysuccinic acid (HY-N2436). This product is intended for research and analytical applications. 2,3-Dihydroxysuccinic acid (Tartaric acid) is an organic acid containing two hydroxyl groups and two carboxyl groups. 2,3-Dihydroxysuccinic acid exists in various stereoisomers and is widely used in food, pharmaceutical, chemical, and other fields.

HY-W012670

2-Deoxy-L-ribose	Biochemical Assay Reagents
2-Deoxy-L-ribose is a stereoisomer of 2-Deoxy-d-ribose that inhibits 2-Deoxy-d-ribose anti-apoptotic effects. 2-Deoxy-L-ribose suppresses metastasis of tumor cells overexpressing thymidine phosphorylase .

Cat. No.	Product Name	Target	Research Area

HY-P10925A

(Z)-Zolucatetide (Z)-FOG-001; I-67	β-catenin	Cancer
(Z)-Zolucatetide (I-67) is a β-catenin inhibitor with IC₅₀ ≤50 nM. (Z)-Zolucatetide's sequence is Ac-PL3-Asp-Npg-B5-Asp-3COOHF-Aib-Ala-Phe-Lys3-PyrS2-3Thi-BztA-GlnR3-Ala-NH₂. (Z)-Zolucatetide can be used for cancer research .

HY-W016733

D-Citrulline H-D-Cit-OH	Endogenous Metabolite	Cardiovascular Disease
D-Citrulline (H-D-Cit-OH) is a stereoisomer of L-citrulline (HY-N0391). D-Citrulline significantly attenuates polymorphonuclear leukocyte (PMN)-induced cardiac contractile dysfunction in the isolated perfused rat heart subjected to ischemia/reperfusion via a non-NO-mediated mechanism .

HY-W048718

Fmoc-D-Tle-OH Fmoc-D-α-t-butylglycine	Amino Acid Derivatives	Others
Fmoc-D-Tle-OH (Fmoc-D-α-t-butylglycine) is an amino acid derivative with an Fmoc protecting group, which can be used to synthesize chelating agents that can form a single stereoisomer-enriched form after coordination with metal centers .

Cat. No.	Product Name	Category	Target	Chemical Structure

HY-I1060

L-Alloisoleucine 1 Publications Verification (3R)-LS-Isoleucine	Structural Classification Immune System Disorder Classification of Application Fields Disease markers Other Diseases Amino acids Endogenous metabolite Disease Research Fields Source Classification	Endogenous Metabolite
L-Alloisoleucine is a stereoisomer of L-isoleucine. L-Alloisoleucine can be used in skeletal muscle research .

HY-N3021

D-chiro-Inositol	Natural Products Classification of Application Fields Metabolic Disease Endogenous metabolite Disease Research Fields Source Classification	Endogenous Metabolite NF-κB TNF Receptor FOXO Microtubule/Tubulin
D-chiro-Inositol is a stereoisomer of inositol that exhibits activities such as improving glucose metabolism, anti-tumor effects, anti-inflammatory properties, and antioxidant activity. D-chiro-Inositol effectively alleviates cholestasis by enhancing bile acid secretion and reducing oxidative stress. D-chiro-Inositol improves insulin resistance, lowers hyperglycemia and circulating insulin levels, reduces serum androgen levels, and ameliorates some metabolic abnormalities associated with X syndrome by mimicking the action of insulin. Additionally, D-chiro-Inositol can induce a reduction in pro-inflammatory factors (such as Nf-κB) and cytokines (such as TNF-α), thereby exerting anti-inflammatory effects. D-chiro-Inositol may be used in the study of liver cirrhosis, breast cancer, type 2 diabetes, and polycystic ovary syndrome .

HY-100587

D-Glutamine 2 Publications Verification	Structural Classification Microorganisms Classification of Application Fields Ketones, Aldehydes, Acids Metabolic Disease Endogenous metabolite Disease Research Fields Source Classification	Autophagy Mitophagy Endogenous Metabolite Ferroptosis
D-Glutamine is a cell-permeable D type stereoisomer of Glutamine.

HY-N2436

2,3-Dihydroxysuccinic acid Tartaric acid	Human Gut Microbiota Metabolites Ketones, Aldehydes, Acids Endogenous metabolite Source Classification	Biochemical Assay Reagents
2,3-Dihydroxysuccinic acid (Tartaric acid) is an organic acid containing two hydroxyl groups and two carboxyl groups. 2,3-Dihydroxysuccinic acid exists in various stereoisomers and is widely used in food, pharmaceutical, chemical, and other fields .

HY-N7142

DL-Norepinephrine hydrochloride 2 Publications Verification	Structural Classification Neurological Disease Classification of Application Fields Phenols Polyphenols Endogenous metabolite Disease Research Fields Endocrinology Source Classification	Adrenergic Receptor
DL-Norepinephrine hydrochloride is an external racemic catecholamine neurotransmitter, which is an equal mixture of the left-handed (L-, with activity) and right-handed (D-, with very low or no activity) stereoisomers. DL-Norepinephrine hydrochloride after being labeled with tritium can be used as a tracer for the research on Parkinson's disease .

HY-N1401

20(R)-Ginsenoside Rh2 2 Publications Verification	Panax ginseng C. A. Meyer Infection Triterpenes Human Gut Microbiota Metabolites Classification of Application Fields Terpenoids Plants Endogenous metabolite Inflammation/Immunology Disease Research Fields Araliaceae Source Classification	MMP Apoptosis HSV DNA/RNA Synthesis NO Synthase Prostaglandin Receptor Reactive Oxygen Species (ROS) Akt
20(R)-Ginsenoside Rh2 is an orally active protopanaxadiol-type saponin with multiple biological activities. 20(R)-Ginsenoside Rh2 exerts a significant inhibitory effect on non-small cell lung cancer and liver cancer by inducing cell cycle arrest and promoting apoptosis. 20(R)-Ginsenoside Rh2 exerts anti-γ-herpesvirus effects by inhibiting viral DNA replication. 20(R)-Ginsenoside Rh2 inhibits inflammatory mediators by reducing the levels of NO, PGE2, and ROS; it can delay skin photoaging by reducing ROS and inhibiting MMP-9/2 activity. 20(R)-Ginsenoside Rh2 accelerates the recovery after muscle injury by activating the Akt1/PKB signaling pathway. 20(R)-Ginsenoside Rh2 can inhibit osteoclast formation and exert an anti-osteoporosis effect .

HY-N6787

5,6-Dihydro-5-methyluracil 3 Publications Verification Dihydrothymine	Structural Classification Natural Products Human Gut Microbiota Metabolites Classification of Application Fields Metabolic Disease Endogenous metabolite Disease Research Fields Source Classification	Endogenous Metabolite
5,6-Dihydro-5-methyluracil (Dihydrothymine) is an intermediate breakdown product of Thymine (HY-W010450). 5,6-Dihydro-5-methyluracil can be used as a marker of DNA damage. 5,6-Dihydro-5-methyluracil can be used for the research of COVID-19 .

HY-Y1804

D-Lysine monohydrochloride	Classification of Application Fields Other Diseases Amino acids Endogenous metabolite Disease Research Fields Source Classification	Endogenous Metabolite
D-Lysine monohydrochloride is an Lysine stereoisomer which can be used as a component of surfactants .

HY-111827

S-1-Propenyl-L-cysteine Maximum Cited Publications 6 Publications Verification	Cardiovascular Disease Liliaceae Classification of Application Fields Ketones, Aldehydes, Acids Allium sativum Linn. Plants Disease Research Fields Source Classification	Histamine Receptor
S-1-Propenyl-L-cysteine is a stereoisomer of S-allyl-l-cysteine, extracted from garlic, with immunomodulatory effects and reduces blood pressure in a hypertensive animal model . S-1-Propenyl-L-cysteine exhibits antioxidative efficacy through a NO-dependent BACH1 signaling pathway . S-1-Propenyl-L-cysteine is orally active.

HY-N7781

(-)-(E)-Guggulsterone (E)-Guggulsterone	Structural Classification Classification of Application Fields Commiphora myrrha (Nees) Engl. Metabolic Disease Plants Burseraceae Disease Research Fields Steroids Source Classification	FXR Keap1-Nrf2 Heme Oxygenase (HO) Dengue Virus Bacterial Reactive Oxygen Species (ROS) Estrogen Receptor/ERR Cytochrome P450 Drug Metabolite
(-)-(E)-Guggulsterone ((E)-Guggulsterone) is an orally active natural stereoisomer of Guggulsterone (HY-107738). (-)-(E)-Guggulsterone is an antagonist for the Farnesoid X Receptor (FXR) with an IC₅₀ of 24.06 μM and possesses potent hypolipidemic properties. (-)-(E)-Guggulsterone suppresses dengue virus (DENV) replication by upregulating antiviral interferon responses by inducing HO-1 expression via Nrf2 activation. (-)-(E)-Guggulsterone exhibits antibacterial activities against Bacillus subtilis, Staphylococcus aureus and Pseudomonas aeruginosa. (-)-(E)-Guggulsterone has cardiac protective and antioxidant activities in rats .

HY-N9487

(R)-(-)-α-Phellandrene (-)-α-Phellandrene	Structural Classification Other Monoterpenes Terpenoids Plants Schinus terebinthifolius Raddi Anacardiaceae	Environmental Pollutants Bacterial
(R)-(-)-α-Phellandrene ((-)-α-Phellandrene) is an the (R)-(-)-stereoisomer of α-phellandrene. α-phellandrene is an orally active cyclic monoterpene that attenuates inflammatory response, and induces DNA damage .

HY-N6935

Sennidin B	Structural Classification Classification of Application Fields Metabolic Disease Plants Infection other families Leguminosae Ketones, Aldehydes, Acids Phenols Polyphenols Cassia angustifolia Disease Research Fields Source Classification	DNA/RNA Synthesis HCV Akt GLUT
Sennidin B, a stereoisomer isolated from the leaves of Cassia angustifolia, has lower activity than Sennidin A. Sennidin A inhibits HCV NS3 helicase, with an IC₅₀ of 0.8 μM. Sennidin A induces phosphorylation of Akt and glucose transporter 4 (GLUT4) translocation. Sennidin A stimulates the glucose incorporation .

HY-W001959

D-Allothreonine	Human Gut Microbiota Metabolites Microorganisms Classification of Application Fields Ketones, Aldehydes, Acids Metabolic Disease Endogenous metabolite Disease Research Fields Source Classification	Endogenous Metabolite
D-Allothreonine is the D stereoisomer of Allothreonine. D-Allallreonine is a peptide lipid derived from bacteria. D-Allothreonine can be specifically oxidized by D-amino acid oxidase, while the L configuration has no reaction. D-Allallreonine is also a component of bacterial polysaccharides. D-Allallreonine can be used for researching bacterial pathogenicity, antigenic diversity and drug resistance .

HY-N0181A

Lumisterol 9β,10α-Ergosterol	Classification of Application Fields Metabolic Disease Endogenous metabolite Disease Research Fields Steroids Source Classification	Endogenous Metabolite
Lumisterol (9β,10α-Ergosterol), a steroid compound, is the (9β,10α)-stereoisomer of Ergosterol (HY-N0181). Lumisterol is a photoprotective agent against UVB-induced DNA damage and anti-proliferative activities .

HY-121962

neo-Inositol	Classification of Application Fields Animals Metabolic Disease Endogenous metabolite Disease Research Fields Saccharides Source Classification	Endogenous Metabolite
neo-Inositol, a stereoisomer of inositol, has been isolated from calf brain .

HY-N2436R

2,3-Dihydroxysuccinic acid (Standard) Tartaric acid (Standard)	Structural Classification Human Gut Microbiota Metabolites Ketones, Aldehydes, Acids Endogenous metabolite Source Classification	Biochemical Assay Reagents Reference Standards
2,3-Dihydroxysuccinic acid (Standard) (Tartaric acid (Standard)) is the analytical standard of 2,3-Dihydroxysuccinic acid (HY-N2436). This product is intended for research and analytical applications. 2,3-Dihydroxysuccinic acid (Tartaric acid) is an organic acid containing two hydroxyl groups and two carboxyl groups. 2,3-Dihydroxysuccinic acid exists in various stereoisomers and is widely used in food, pharmaceutical, chemical, and other fields.

HY-N3021R

D-chiro-Inositol (Standard)	Structural Classification Natural Products Endogenous metabolite Source Classification	Reference Standards Endogenous Metabolite NF-κB TNF Receptor FOXO Microtubule/Tubulin
D-chiro-Inositol is a stereoisomer of inositol that exhibits activities such as improving glucose metabolism, anti-tumor effects, anti-inflammatory properties, and antioxidant activity. D-chiro-Inositol effectively alleviates cholestasis by enhancing bile acid secretion and reducing oxidative stress. D-chiro-Inositol improves insulin resistance, lowers hyperglycemia and circulating insulin levels, reduces serum androgen levels, and ameliorates some metabolic abnormalities associated with X syndrome by mimicking the action of insulin. Additionally, D-chiro-Inositol can induce a reduction in pro-inflammatory factors (such as Nf-κB) and cytokines (such as TNF-α), thereby exerting anti-inflammatory effects. D-chiro-Inositol may be used in the study of liver cirrhosis, breast cancer, type 2 diabetes, and polycystic ovary syndrome .

HY-I1060R

L-Alloisoleucine (Standard) (3R)-LS-Isoleucine (Standard)	Structural Classification Immune System Disorder Disease markers Amino acids Endogenous metabolite Source Classification	Endogenous Metabolite Reference Standards
L-Alloisoleucine (Standard) is the analytical standard of L-Alloisoleucine. This product is intended for research and analytical applications. L-Alloisoleucine is a stereoisomer of L-isoleucine. L-Alloisoleucine can be used in skeletal muscle research .

HY-W001959R

D-Allothreonine (Standard)	Structural Classification Human Gut Microbiota Metabolites Microorganisms Ketones, Aldehydes, Acids Endogenous metabolite Source Classification	Reference Standards Endogenous Metabolite
D-Allothreonine (Standard) is an analytical standard for D-Allothreonine (HY-001959). This product is intended for research and analytical applications. D-Allothreonine is the D-stereoisomer of allothreonine. D-Allothreonine is a bacterial peptide lipid. D-Allothreonine is specifically oxidized by D-amino acid oxidase, while the L-form is unresponsive. D-Allothreonine is also a component of bacterial polysaccharides. D-Allothreonine can be used to study bacterial pathogenicity, antigenic diversity, and drug resistance.

HY-N12868

25-Epi-28-epi-cyasterone	Structural Classification Cyathula officinalis Kuan Amaranthaceae Plants Steroids Source Classification	Others
25-Epi-28-epi-cyasterone (3) is a stereoisomer of cyasterone that can be isolated from Cyathula officinalis .

HY-100587R

D-Glutamine (Standard)	Structural Classification Microorganisms Ketones, Aldehydes, Acids Endogenous metabolite Source Classification	Reference Standards Autophagy Mitophagy Endogenous Metabolite Ferroptosis
D-Glutamine (Standard) is the analytical standard of D-Glutamine. This product is intended for research and analytical applications. D-Glutamine is a cell-permeable D type stereoisomer of Glutamine.

HY-W012479R

H-D-Trp-OH (Standard) D-Tryptophan (Standard)	Structural Classification Microorganisms Ketones, Aldehydes, Acids Endogenous metabolite Source Classification	Reference Standards Endogenous Metabolite
H-D-Trp-OH (Standard) is the analytical standard of H-D-Trp-OH. This product is intended for research and analytical applications. H-D-Trp-OH is a D-stereoisomer of tryptophan and occasionally found in naturally produced peptides such as the marine venom peptide.

HY-N15714

Acoraminol A	Natural Products Araceae Acorus gramineus Soland. Plants Source Classification	Drug Derivative
Acoraminol A is one of the stereoisomers of phenylpropanoids, the other of which is Acoraminol B (HY-N15715), which can be isolated from the methanol extract of the rhizome of Acorus tatarinowii. Acoraminol A has weak cytotoxic effects on several human tumor cell lines (IC₅₀>30 μM) .

HY-N6935R

Sennidin B (Standard)	other families Leguminosae Ketones, Aldehydes, Acids Phenols Polyphenols Cassia angustifolia Plants Source Classification	Reference Standards HCV Akt GLUT
Sennidin B (Standard) is the analytical standard of Sennidin B. This product is intended for research and analytical applications. Sennidin B, a stereoisomer isolated from the leaves of Cassia angustifolia, has lower activity than Sennidin A. Sennidin A inhibits HCV NS3 helicase, with an IC50 of 0.8 μM. Sennidin A induces phosphorylation of Akt and glucose transporter 4 (GLUT4) translocation. Sennidin A stimulates the glucose incorporation .

HY-111827R

S-1-Propenyl-L-cysteine (Standard)	Liliaceae Ketones, Aldehydes, Acids Allium sativum Linn. Plants Source Classification	Histamine Receptor
S-1-Propenyl-L-cysteine (Standard) is the analytical standard of S-1-Propenyl-L-cysteine. This product is intended for research and analytical applications. S-1-Propenyl-L-cysteine is a stereoisomer of S-allyl-l-cysteine, extracted from garlic, with immunomodulatory effects and reduces blood pressure in a hypertensive animal model . S-1-Propenyl-L-cysteine exhibits antioxidative efficacy through a NO-dependent BACH1 signaling pathway . S-1-Propenyl-L-cysteine is orally active.

HY-N7781R

(-)-(E)-Guggulsterone (Standard) (E)-Guggulsterone (Standard)	Structural Classification Classification of Application Fields Commiphora myrrha (Nees) Engl. Metabolic Disease Plants Burseraceae Disease Research Fields Steroids Source Classification	Reference Standards Drug Metabolite FXR Keap1-Nrf2 Heme Oxygenase (HO) Dengue Virus Bacterial Reactive Oxygen Species (ROS) Estrogen Receptor/ERR Cytochrome P450
(-)-(E) -guggulsterone (Standard) is the analytical standard for (-)-(E) -guggulsterone ((E)-Guggulsterone) (HY-N7781). (-)-(E)-Guggulsterone is an orally active natural stereoisomer of Guggulsterone (HY-107738). (-)-(E)-Guggulsterone is an antagonist for the Farnesoid X Receptor (FXR) with an IC₅₀ of 24.06 μM and possesses potent hypolipidemic properties. (-)-(E)-Guggulsterone suppresses dengue virus (DENV) replication by upregulating antiviral interferon responses by inducing HO-1 expression via Nrf2 activation. (-)-(E)-Guggulsterone exhibits antibacterial activities against Bacillus subtilis, Staphylococcus aureus and Pseudomonas aeruginosa. (-)-(E)-Guggulsterone has cardiac protective and antioxidant activities in rats.

HY-N11730

6',7'-Epoxyrotenone	Structural Classification Natural Products Leguminosae Ketones, Aldehydes, Acids Derris trifoliata Lour. Plants Source Classification	Drug Derivative
6',7'-Epoxyrotenone is a derivative and photodegradation product of Rotenone (HY-B1756), with an acute intraperitoneal LD₅₀ of 7.2 mg/kg in mice .

HY-N0287A

Prolycopene	Structural Classification Natural Products Solanum lycopersicum L. Solanaceae Plants Source Classification	Drug Isomer
Prolycopene is a stereoisomer of Lycopene (HY-N0287) and pigment. Prolycopene can be isolated from tomatoes .

HY-W842297

Epiquinine	Structural Classification Alkaloids Rubiaceae Cinchona calisaya Wedd. Quinoline Alkaloids Plants Source Classification	Parasite
Epiquinine is a stereoisomer of Quinine (HY-D0143). Epiquinine exhibits activity against chloroquine-sensitive and chloroquine-resistant Plasmodium falciparum parasites. Epiquinine can be used for the research of malaria .

HY-Y1804R

D-Lysine monohydrochloride (Standard)	Structural Classification Amino acids Endogenous metabolite Source Classification	Reference Standards Endogenous Metabolite
D-Lysine (monohydrochloride) (Standard) is the analytical standard of D-Lysine (monohydrochloride) (HY-Y1804). This product is intended for research and analytical applications. D-Lysine monohydrochloride is an Lysine stereoisomer which can be used as a component of surfactants .

HY-N15715

Acoraminol B	Natural Products Araceae Acorus gramineus Soland. Plants Source Classification	Drug Derivative
Acoraminol B is one of the stereoisomers of phenylpropanoids, the other of which is Acoraminol A (HY-N15714), which can be isolated from the methanol extract of the rhizome of Acorus tatarinowii. Acoraminol B has weak cytotoxic effects on several human tumor cell lines (IC₅₀>30 μM) .

HY-N13470

meso-Astaxanthin	Other Terpenoids Structural Classification Natural Products Animals Terpenoids Source Classification	Drug Isomer
meso-Astaxanthin is a natural stereoisomer of Astaxanthin (HY-B2163) with antioxidant activity and is found in a variety of aquatic animals. meso-Astaxanthin binds to human serum albumin in a monomeric form at a stoichiometric ratio; at low ligand-to-protein ratios, human serum albumin acts as a chiral template for supramolecular assembly at higher ratios. meso-Astaxanthin directly scavenges superoxide anions. meso-Astaxanthin can be used in the research of myocardial ischemia-reperfusion injury .

Cat. No.	Product Name	Chemical Structure

HY-N7142S

DL-Norepinephrine-d6 hydrochloride

DL-Norepinephrine-d₆ hydrochloride is the deuterium labeled DL-Norepinephrine hydrochloride. DL-Norepinephrine hydrochloride is an external racemic catecholamine neurotransmitter, which is an equal mixture of the left-handed (L-, with activity) and right-handed (D-, with very low or no activity) stereoisomers. DL-Norepinephrine hydrochloride after being labeled with tritium can be used as a tracer for the research on Parkinson's disease .

HY-B1871S

Metolachlor-d6
Metolachlor-d₆ is the deuterium labeled Metolachlor . Metolachlor is a pre-emergent selective, chloroacetanilide herbicide for the control of a variety of annual grass and broad leaf weeds in corn and other crops. Metolachlor is a chiral herbicide consisting of four stereoisomers .

HY-N7142S3

DL-Norepinephrine-d6
DL-Norepinephrine-d₆ is the deuterium labeled DL-Norepinephrine. DL-Norepinephrine is an external racemic catecholamine neurotransmitter, which is an equal mixture of the left-handed (L-, with activity) and right-handed (D-, with very low or no activity) stereoisomers. DL-Norepinephrine after being labeled with tritium can be used as a tracer for the research on Parkinson's disease .

HY-W012479S

H-D-Trp-OH-d5
H-D-Trp-OH-d₅ (D-Tryptophan-d₅) is the deuterium labeled H-D-Trp-OH. H-D-Trp-OH is a D-stereoisomer of tryptophan and occasionally found in naturally produced peptides such as the marine venom peptide.

HY-N7142S1

DL-Norepinephrine-d3 hydrochloride

DL-Norepinephrine-d₃ hydrochloride is the deuterium labeled DL-Norepinephrine hydrochloride. DL-Norepinephrine hydrochloride is an external racemic catecholamine neurotransmitter, which is an equal mixture of the left-handed (L-, with activity) and right-handed (D-, with very low or no activity) stereoisomers. DL-Norepinephrine hydrochloride after being labeled with tritium can be used as a tracer for the research on Parkinson's disease.

HY-Y1804S

D-Lysine-d4 monohydrochloride
D-Lysine-d₄ (monohydrochloride) is the deuterium labeled D-Lysine. D-Lysine monohydrochloride is an Lysine stereoisomer which can be used as a component of surfactants .

HY-I1060S

L-Alloisoleucine-d10
L-Alloisoleucine-d₁₀ is the deuterium labeled L-Alloisoleucine. L-Alloisoleucine is a branched chain amino acid and is a stereo-isomer of L-isoleucine. L-Alloisoleucine is a common constituent of human plasma (albeit at low levels).

HY-W713975

Metolachlor-d11
Metolachlor-d₁₁ is the deuterium labeled Metolachlor (HY-B1871). Metolachlor is a pre-emergent selective, chloroacetanilide herbicide for the control of a variety of annual grass and broad leaf weeds in corn and other crops. Metolachlor is a chiral herbicide consisting of four stereoisomers .

HY-B0395DS

(1R,2S,7R)-Sitafloxacin-d4 hydrochloride
(1R,2S,7R)-Sitafloxacin-d₄ hydrochloride is deuterium labeled (1R,2S,7R)-Sitafloxacin hydrochloride (HY-B0395D). (R)-Sitafloxacin (DU-6857), a stereoisomer of Sitafloxacin (DU-6859a), is also an inhibitor of topoisomerases, with an IC₅₀ of 0.18 μg/mL of DNA gyrase .

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