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Cat. No.: HY-105018

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Epelsiban

(Synonyms: GSK 557296)

Epelsiban (GSK 557296) is a potent, selective and orally bioavailable oxytocin receptor antagonist, with a pK_i of 9.9 for human oxytocin receptor.

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CAS No.: 872599-83-2
Formule: C₃₀H₃₈N₄O₄
Masse moléculaire:518.65

Stockage:

Please store the product under the recommended conditions in the Certificate of Analysis.

Data Sheet (271 KB)

Epelsiban Chemical Structure

CAS No.: 872599-83-2

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Use of MCE Products

Fluorescent Dye

Strong Fluorescence Signal / Multi-Disciplinary Applications / High Fluorescence Specificity

Activité biologique
- Description
- IC₅₀ & Target
- Cellular Effect
- In Vitro
- In Vivo
Chemical Information
Pureté et documentation
Références
Calculators
Help & FAQs
Classifications
Bioz

Activité biologique

Description

Epelsiban (GSK 557296) is a potent, selective and orally bioavailable oxytocin receptor antagonist, with a pK_i of 9.9 for human oxytocin receptor.

IC₅₀ & Target

pKi: 9.9 (human oxytocin receptor)^[1]
IC50: 192 nM (human oxytocin receptor)^[1]

Cellular Effect

Cell Line	Type	Value	Description	References
HEK293	IC₅₀	9.2 nM Compound: GSK-557296	Antagonist activity at human OTR expressed in HEK293 cells assessed as decrease in calcium flux measured after 10 mins in presence of vasopressin by Fluo-4 dye based microplate reader based assay Antagonist activity at human OTR expressed in HEK293 cells assessed as decrease in calcium flux measured after 10 mins in presence of vasopressin by Fluo-4 dye based microplate reader based assay	[PMID: 31223461]

In Vitro

Epelsiban is a potent oxytocin receptor, with a pK_i of 9.9 for human oxytocin receptor, >31000-fold selectivity over all three human vasopressin receptors hV1aR (pK_i, <5.2), hV2R (pK_i, <5.1), and hV1bR (pK_i, 5.4), and shows no significant P450 inhibition^[1].

MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.

In Vivo

Epelsiban shows an IC₅₀ of 192 nM for oxytocin receptor in rats. Epelsiban has low levels of intrinsic clearance against the microsomes of rat, dog, and cynomolgus monkey, good bioavailability (55%), but is negative in the genotoxicity screens with a satisfactory oral safety profile in female rats^[1].

MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.

Chemical Information

CAS No. 872599-83-2
Masse moléculaire 518.65
Formule C₃₀H₃₈N₄O₄
SMILES

O=C(N1CCOCC1)[C@@H](C2=C(N=C(C)C=C2)C)N3[C@](C(N[C@H](C4CC5=CC=CC=C5C4)C3=O)=O)([H])[C@@H](C)CC
Synonyms

GSK 557296
Livraison

Room temperature in continental US; may vary elsewhere.
Stockage

Please store the product under the recommended conditions in the Certificate of Analysis.

Pureté et documentation

Select Batch:

Pureté: 99.98%

Assay: 99.98%

ee.: 99.98%

Fiche technique (271 KB)
COA (2659 KB)
Elemental Analysis Report (2659 KB)
HNMR (2659 KB)
CNMR (2659 KB)
RP-HPLC (2659 KB)
NP-HPLC (2659 KB)
MS (2659 KB)
LCMS (2659 KB)
IR (2659 KB)
GC (2659 KB)
OR (2659 KB)
SDS-PAGE (2659 KB)
SEC-HPLC (2659 KB)
Other Report (2659 KB)
Instruction de manipulation (2659 KB)

Références

[1]. Borthwick AD, et al. Pyridyl-2,5-diketopiperazines as potent, selective, and orally bioavailable oxytocin antagonists: synthesis, pharmacokinetics, and in vivo potency. J Med Chem. 2012 Jan 26;55(2):783-96. [Content Brief]

Calculators

Calculateur de molarité

Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol)

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Volume Volume

Molecular Weight Molecular Weight

Calculateur de dilution

Concentration _(start) × Volume _(start) = Concentration _(final) × Volume _(final)

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Help & FAQs

How should lyophilized recombinant proteins be reconstituted and stored?

1. Before opening the cap, centrifuge the vial at 13000 rpm for 20-30 seconds. This step will ensure that any lyophilized powder that may have adhered to the cap or walls is collected at the bottom of the vial, minimizing the risk of product loss.

Keywords

MOQ

Minimum order quantity

100 mg

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