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  4. Drug Isomer

Drug Isomer

Drug Isomer

Drug isomers are compounds with the same molecular formula but different atomic arrangements or spatial configurations. They are divided into structural isomers and stereoisomers, and have different biological activities, safety and metabolic characteristics. Drug isomers can be used as drug improvement groups or drug efficacy control groups. For example, Carvedilol has higher bioavailability and better safety than (R)-Carvedilol.

Drug Isomer Related Products (217):

Cat. No. Product Name Effect Purity Chemical Structure
  • HY-113972A
    (E/Z)-Methyl mycophenolate
    (E/Z)-Methyl mycophenolate is a racemic compound of (Z)-Methyl mycophenolate and (E)-Methyl mycophenolate isomers. Methyl mycophenolate is a methyl ester of mycophenolic acid. Methyl mycophenolate can be used to synthesize mycophenolic acid β-D-glucuronide and phenolic glycosides.
    (E/Z)-Methyl mycophenolate
  • HY-123905A
    LIN28 inhibitor LI71 enantiomer
    		99.68%
    LIN28 inhibitor LI71 enantiomer is the less active enantiomer of LIN28 inhibitor LI71 (HY-123905). LIN28 inhibitor LI71 is a LIN28 inhibitor that effectively inhibits LIN28:let-7 binding (IC50: 7 μM). LIN28 inhibitor LI71 can abolish LIN28-mediated oligouridylation of let-7 precursor (IC50: 27 μM). LIN28 inhibitor LI71 has potential application value in LIN28-driven cancer research. LIN28 inhibitor LI71 inhibits the interaction of cold shock protein of Plasmodium falciparum (PfCoSP) with DNA and α/β tubulin and has an inhibitory effect on Plasmodium falciparum.
    LIN28 inhibitor LI71 enantiomer
  • HY-129770A
    D-Methionine sulfoxide hydrochloride
    		99.82%
    D-methionine sulfoxide hydrochloride is the D-isomer of Methionine sulfoxide hydrochloride. Methionine sulfoxide is an oxidation product of methionine. Methionine is the limiting amino acid in milk or leguminous proteins, which is easily oxidized during the course of storage or processing.
    D-Methionine sulfoxide hydrochloride
  • HY-108418A
    (R)-PI3Kδ-IN-15
    		99.52%
    (R)-PI3Kδ-IN-15 is the R-enantiomer of PI3Kδ-IN-15 (HY-108418).
    (R)-PI3Kδ-IN-15
  • HY-139534A
    (S)-ARI-1
    		Control 99.80%
    (S)-ARI-1 is an S-enantiomer of ARI-1. ARI-1 is a ROR1 inhibitor and apoptosis inducer, used in NSCLC research.
    (S)-ARI-1
  • HY-100013B1
    (1S,2S)-2-PCCA hydrochloride
    		99.65%
    (1S,2S)-2-PCCA hydrochloride is a less active diastereomer of 2-PCCA. 2-PCCA is a GPR88 receptor agonist, and inhibits GPR88-mediated cAMP production, with an EC50 of 116 nM in HEK293 cells.
    (1S,2S)-2-PCCA hydrochloride
  • HY-131408
    L-Allooctopine
    		99.60%
    L-Allooctopine is a competitive inhibitor of D-octopine.
    L-Allooctopine
  • HY-100540C
    Golgicide A-1
    		Control 99.94%
    Golgicide A-1 (GCA-1) is a less active cis-diastereomer of Golgicide A (GCA). Golgicide A-1 weakly inhibits mosquito reproduction.
    Golgicide A-1
  • HY-136453A
    CR-1-30-B
    		99.92%
    CR-1-30-B is an inactive enantiomer of CR-1-31-B. CR-1-30-B, as a control, is inactive against eIF4A and has no apparent effect on the induction of MUC1-C translation.
    CR-1-30-B
  • HY-W112166
    (E/Z)-4,4'-Dicyanostilbene
    		98.34%
    (E/Z)-4,4'-Dicyanostilbene is the isomer of 4,4'-Dicyanostilbene (HY-W112166A), and can be used as an experimental control. 4,4'-Dicyanostilbene (compound 43) is a potent antimalarial agent against the Dd2 strain, with an EC50 of 27 nM. 4,4'-Dicyanostilbene exhibits in vivo efficacy against methicillin-resistant Staphylococcus aureus (MRSA).
    (E/Z)-4,4'-Dicyanostilbene
  • HY-B0823A
    (E/Z)-Acetamiprid
    (E/Z)-Acetamiprid is the E/Z mixture of Acetamiprid (HY-B0823). Acetamiprid is a neonicotinoid insecticide used worldwide. Acetamiprid is a nicotinic acetylcholine receptor (nAChR) agonist, and is shown to be associated with neuromuscular and reproductive disorders.
    (E/Z)-Acetamiprid
  • HY-148124
    6-epi Doxycycline
    		98.47%
    6-Epi-doxycycline is the C-6 epimer of Doxycycline (HY-N0565), formed as a degradation impurity through epimerization of Doxycycline under abnormal conditions (e.g., high temperature, pH changes, or humidity). 6-Epi-doxycycline is commonly used for the detection and analysis of impurity levels in pharmaceutical formulations.
    6-epi Doxycycline
  • HY-116739
    13(E)-Docosenoic acid
    13(E)-Docosenoic acid (Brassidic acid), a trans-acid, is a 22-carbon monounsaturated fatty acid.
    13(E)-Docosenoic acid
  • HY-W073501
    trans-Glutaconic acid
    trans-Glutaconic acid (trans-2-Pentenedioic acid) is a trans-isomer of Glutaconic acid (HY-W073501A). Glutaconic acid is an organic compound with two carboxylic acid groups.
    trans-Glutaconic acid
  • HY-18299B
    (S)-Purvalanol B
    		98.0%
    (S)-Purvalanol B is the S enantiomer of Purvalanol B. Purvalanol B is a cyclin-dependent kinase inhibitor.
    (S)-Purvalanol B
  • HY-W012732R
    Isoquinoline (Standard)
    Isoquinoline (Standard) is the analytical standard of Isoquinoline. This product is intended for research and analytical applications. Isoquinoline is an analog of pyridine. Isoquinoline structural-based alkaloids, such as tropoloisoquinoline, phthalideisoquinoline, and naphthylisoquinoline has anti-cancer activities.
    Isoquinoline (Standard)
  • HY-145572B
    (S)-Imlunestrant tosylate
    		Control 98.74%
    (S)-Imlunestrant ((S)-LY-3484356) tosylate is an (S)-enantiomer of Imlunestrant (HY-145572). (S)-Imlunestrant tosylate can be used in research of cancer.
    (S)-Imlunestrant tosylate
  • HY-15584C
    (R)-Taltobulin
    (R)-Taltobulin ((R)-HTI-286) can be used as a reference substance.
    (R)-Taltobulin
  • HY-155295
    Z-CITCO
    Z-CITCO is the cis isomer of CITCO (HY-103244). Z-CITCO is an agonist of constitutive androstane receptor (CAR) with an EC50 value of 3.9 µM.
    Z-CITCO
  • HY-16560B
    (R)-Camptothecin
    (R)-Camptothecin is an enantiomer of Camptothecin (CPT), is inactive as an inhibitor of the DNA religation reaction and consequently do not poison Top1.
    (R)-Camptothecin