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S-isomer

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21

Inhibitors & Agonists

1

Isotope-Labeled Compounds

Cat. No. Product Name Target Research Areas Chemical Structure
  • HY-15532B
    SCH900776 (S-isomer)

    MK-8776 S-isomer

    		 Others Cancer
    SCH900776 S-isomer is the S-isomer of SCH900776. SCH900776 is a potent, selective and orally bioavailable inhibitor of checkpoint kinase1 (Chk1) with IC50 of 3 nM.
    SCH900776 (S-isomer)
  • HY-114271A
    T3-ATA (S-isomer)

    		Thyroid Hormone Receptor Endocrinology
    T3-ATA S-isomer is the S-isomer of T3-ATA, which is the active form of the thyroid hormone.
    T3-ATA (S-isomer)
  • HY-114272A
    T4-ATA (S-isomer)

    		Thyroid Hormone Receptor Endocrinology
    T4-ATA S-isomer is the S-isomer of T4-ATA, which is the active form of the thyroid hormone.
    T4-ATA (S-isomer)
  • HY-111540B
    (S)-LY-3381916
    1 Publications Verification

    (S)-IDO1-IN-5

    		 Indoleamine 2,3-Dioxygenase (IDO) Cancer
    (S)-LY-3381916 ((S)-IDO1-IN-5; Example 1B) is an active S-isomer of LY-3381916. (S)-LY-3381916 binds to IDOL with an IC50 value less than 1.5 µΜ . LY-3381916 is a potent, selective and brain penetrated inhibitor of Indoleamine 2,3-Dioxygenase 1 (IDO1) activity, binds to apo-IDO1 lacking heme rather than mature heme-bound IDO1 .
    (S)-LY-3381916
  • HY-12993A
    RSV604 racemate

    A-60444 racemate

    		 RSV Others
    RSV604 (A-60444) racemate is a racemic mixture, shows less potency against strains of respiratory syncytial virus (RSV) than the S-isomer.
    RSV604 racemate
  • HY-112895A
    (R)-UT-155

    		Androgen Receptor Cancer
    (R)-UT-155 (compound 11) is a selective androgen receptor degrader (SARD) ligand. Less active than the S-isomer .
    (R)-UT-155
  • HY-103035
    BIO-32546

    		Phosphodiesterase (PDE) Cancer
    BIO-32546 (example 12b, S-isomer) is an autotaxin (ATX) modulator (IC50: 1 nM), extracted from the patent US20170158687A1 .
    BIO-32546
  • HY-103641A
    (2S)-Octyl-α-hydroxyglutarate
    2 Publications Verification

    (2S)-Octyl-2-HG

    		 Others Cancer
    (2S)-Octyl-α-hydroxyglutarate ((2S)-Octyl-2-HG) is a modified form of S-isomer 2-Hydroxyglutarate.
    (2S)-Octyl-α-hydroxyglutarate
  • HY-143921S
    Almorexant (αS,1S) isomer-13C,d3

    		Isotope-Labeled Compounds Others
    Almorexant (αS,1S) isomer- 13C,d3 is the 13C- and deuterium labeled Almorexant (αS,1S) isomer[1].
    Almorexant (αS,1S) isomer-13C,d3
  • HY-19487A
    Ribocil B

    Ribocil S enantiomer; ent-Ribocil A

    		 Bacterial Infection
    Ribocil-B is the active S-isomer of ribocil which can inhibit flavin mononucleotide (FMN) with a KD of 6.6 nM.
    Ribocil B
  • HY-129436
    (S)-Bucindolol

    		Adrenergic Receptor Cardiovascular Disease
    (S)-Bucindolol is the (S)-isomer of Bucindolol (HY-103214), a β1-adrenergic receptor blocker. (S)-Bucindolol can be utilized in research on cardiac failure .
    (S)-Bucindolol
  • HY-114061
    (R)-FTY 720P

    		Others Others
    (R)-FTY 720P is the R-isomer of FTY 720P. (R)-FTY 720P has less potent binding affinities to S1P1,3,4,5 than (S)-Isomer (HY-15382) .
    (R)-FTY 720P
  • HY-139124
    15(R)-15-Methyl Prostaglandin F2α

    15(R)-Carboprost; 15(R)-15-methyl PGF2α

    		 Others Metabolic Disease
    15(R)-15-Methyl Prostaglandin F2α (15(R)-Carboprost; 15(R)-15-methyl PGF2α) is a metabolically stable analog of PGF2α. 15(R)-15-Methyl Prostaglandin F2α is an inactive, prodrug PGF agonist designed for activation by gastric acid after oral administration. Acid-catalyzed epimerization of 15(R)-15-Methyl Prostaglandin F2α converts it into the active 15(S)-isomer. The 15(S)-isomer induces luteolysis when injected in rhesus monkeys at a dose of about 12 mg/animal, while the 15(R)-isomer does not.
    15(R)-15-Methyl Prostaglandin F2α
  • HY-14664F
    (3R,5S)-Fluvastatin sodium

    (3R,5S)-XU 62-320

    		 HMG-CoA Reductase (HMGCR) Autophagy Cancer
    (3R,5S)-Fluvastatin ((3R,5S)-XU 62-320) sodium is the 3R,5S-isomer Fluvastatin. Fluvastatin (XU 62-320 free acid) is a first fully synthetic, competitive HMG-CoA reductase inhibitor with an IC50 of 8 nM. Fluvastatin protects vascular smooth muscle cells against oxidative stress through the Nrf2-dependent antioxidant pathway .
    (3R,5S)-Fluvastatin sodium
  • HY-112371
    (S)-CR8

    		CDK Cancer
    (S)-CR8 is the S-isomer of CR8. (S)-CR8 is a potent and selective CDK inhibitor with IC50s of 0.060, 0.080, 0.11, 0.12, and 0.15 μM for CDK2/cyclin E, CDK2/cyclin A, CDK9/cyclin T, CDK5/p25, and CDK1/cyclin B, respectively. (S)-CR8 reduces SH-SY5Y cells survival (IC50 0.40 μM) .
    (S)-CR8
  • HY-121535
    Levosemotiadil

    		Others Others
    Levosemotiadil, an S-isomer of semotiadil, exhibits stronger binding affinity to human serum albumin (HSA) compared to its R-isomer counterpart. This study utilized high-performance frontal analysis (HPFA) to demonstrate that levosemotiadil binds approximately three times more strongly to HSA than semotiadil. The binding parameters were evaluated using Scatchard analysis, revealing specific interactions with the diazepam binding site on HSA. The presence of diazepam decreased the binding affinity of both enantiomers, while warfarin did not alter their binding characteristics. These findings highlight levosemotiadil's potential as a Ca- and Na-channel blocker with significant binding preferences for HSA, crucial for understanding its pharmacokinetics and therapeutic effects .
    Levosemotiadil
  • HY-113943
    9(S)-HETE

    		Endogenous Metabolite Others
    9(S)-HETE is the S isomer of 9-HETE (HY-113943A). 9-HETE, a monohydroxy fatty acid, is the lipoxygenase metabolite of arachidonic acid (HY-109590) .
    9(S)-HETE
  • HY-139121
    15(R)-17-Phenyl trinor Prostaglandin F2α

    15-epi Bimatoprost free acid; 15(R)-Bimatoprost free acid; 15(R)-17-phenyl trinor PGF2α

    		 Prostaglandin Receptor Endocrinology
    17-phenyl trinor Prostaglandin F2α (17-phenyl trinor PGF2α) N-ethyl amide is an F-series prostaglandin analog which has been approved for use as an ocular hypotensive agent. Investigations in our lab have shown that 17-phenyl trinor PGF2α ethyl amide is converted by an amidase enzymatic activity in the human cornea to yield the corresponding free acid, with a conversion rate of about 25 μg/cornea/24 hr. The free acid, 17-phenyl trinor PGF2α, is a potent FP receptor agonist. 15(R)-17-phenyl trinor PGF2α is the 15-epi, or “unnatural” isomer of this active free acid metabolite. It has much diminished FP receptor-mediated activity, which is generally 1.5 to 2 logs less than the 15(S)-isomer. In human and animal models of glaucoma, FP receptor agonist activity corresponds very closely with intraocular hypotensive activity.
    15(R)-17-Phenyl trinor Prostaglandin F2α
  • HY-14664B
    (3R,5S)-Fluvastatin

    (3R,5S)-XU 62-320 free acid

    		 HMG-CoA Reductase (HMGCR) Autophagy Cardiovascular Disease Cancer
    (3R,5S)-Fluvastatin is the 3R,5S-isomer Fluvastatin. Fluvastatin (XU 62-320 free acid) is a first fully synthetic, competitive HMG-CoA reductase inhibitor with an IC50 of 8 nM. Fluvastatin protects vascular smooth muscle cells against oxidative stress through the Nrf2-dependent antioxidant pathway .
    (3R,5S)-Fluvastatin
  • HY-117044A
    (±)12-HEPE

    		Others Metabolic Disease
    (±)12-HEPE is produced by non-enzymatic oxidation of EPA. It contains equal amounts of 12(S)-HEPE and 12(R)-HEPE. The biological activity of (±)12-HEPE is likely mediated by one of the individual isomers, most commonly the 12(S) isomer in mammalian systems. 12-HEPE inhibits platelet aggregation with the same potency as 12-HETE, exhibiting IC50 values of 24 and 25 μM, respectively.1 These compounds are also equipotent as inhibitors of U46619-induced contraction of rat aorta (IC50s=8.6-8.8 μM).
    (±)12-HEPE
  • HY-N7801
    (±)5-HEPE

    		Others Metabolic Disease
    (±)5-HEPE is produced by non-enzymatic oxidation of EPA. It contains equal amounts of 5(S)-HEPE and 5(R)-HEPE. The biological activity of (±)5-HEPE is likely mediated by one of the individual isomers, most commonly the 5(S) isomer in mammalian systems. EPA can be metabolized to 5-HEPE in human and bovine neutrophils, and human eosinophils, which is further metabolized to 5-oxoEPE and LTB5. The 5-series metabolites of EPA, namely 5-HEPE, 5-oxoEPE, and LTB5, have significantly decreased biological effects compared to the arachidonic acid-derived metabolites.
    (±)5-HEPE

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