Date published: 2026-5-16

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OPC 21268 (CAS 131631-89-5)

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Alternate Names:
1-(1-(4-(3-Acetylaminopropoxy)benzoyl)-4-piperidyl)-3,4-dihydro-2(1H)-quinolinone; N-[3-[4-[[4-(3,4-Dihydro-2-oxo-1(2H)quinolinyl)-1-piperidinyl]carbonyl]phenoxy]propyl]-acetamide
Application:
OPC 21268 is a nonpeptide AVP (Vasopressin) Receptor V antagonist
CAS Number:
131631-89-5
Purity:
≥98%
Molecular Weight:
449.54
Molecular Formula:
C26H31N3O4
Supplemental Information:
This is classified as a Dangerous Good for transport and may be subject to additional shipping charges.
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

QUICK LINKS

OPC 21268 is a non-peptide AVP Receptor V (Vasopressin Receptor) antagonist that shows 1000-fold selectivity for V1 receptors over V2 receptors. Arginine vasopressin (AVP) is a hormone that plays an important part in circulatory and water homoeostasis. There are three AVP receptor subtypes: V1a, V1b, and V2 that all belong to the large rhodopsin-like G-protein-coupled receptor family.

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

OPC 21268, 5 mg

sc-362775
5 mg
$137.00

OPC 21268, 25 mg

sc-362775A
25 mg
$681.00