Oxybutynin hydrochloride

盐酸奥昔布宁

Also known as: Oxybutynin chloride, Oxybutynin HCl, 4-(Diethylamino)-2-butyn-1-yl cyclohexyl(hydroxy)phenylacetate hydrochloride (1:1), 4-Diethylamino-2-butynyl Phenylcyclohexylglycolate Hydrochloride, α-Phenylcyclohexaneglycolic acid 4-(diethylamino)-2-butynyl ester hydrochloride, Benzeneacetic acid, α-cyclohexyl-α-hydroxy-, 4-(diethylamino)-2-butyn-1-yl ester, hydrochloride (1:1), 4-(Diethylamino)but-2-yn-1-yl cyclohexyl(hydroxy)phenylacetate hydrochloride, Cyclohexaneglycolic acid, α-phenyl-, 4-(diethylamino)-2-butynyl ester, hydrochloride

Oxybutynin hydrochloride (CAS 1508-65-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C22H32ClNO3 and a molecular weight of 393.947 g/mol. It is also known as Oxybutynin chloride, Oxybutynin HCl and 4-(Diethylamino)-2-butyn-1-yl cyclohexyl(hydroxy)phenylacetate hydrochloride (1:1). Key properties include a melting point of 126-128ºC and a boiling point of 494.4ºC at 760 mmHg. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1508-65-2
Jingsj CID
J-1962908-5
Molecular Formula
C22H32ClNO3
Chinese Name
盐酸奥昔布宁
Molecular Weight
393.947 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point126-128ºC
Boiling Point494.4ºC at 760 mmHg

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of Oxybutynin hydrochloride?

The CAS number of Oxybutynin hydrochloride is 1508-65-2.

What are the molecular formula and molecular weight of Oxybutynin hydrochloride?

Oxybutynin hydrochloride has molecular formula C22H32ClNO3 and molecular weight 393.947 g/mol.

Is Oxybutynin hydrochloride hazardous?

Oxybutynin hydrochloride has GHS signal word Warning.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Oxybutynin hydrochloride (CAS 1508-65-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1962908-5 (accessed 2026-10-22).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.