Drotaverine hydrochloride

盐酸屈他维林

Also known as: No-Spa hydrochloride, Tetraspasmin-Lef, Tetraspasmin-Lefa, Drotaverine HCl, Drotaverin hydrochloride, Drotaverinium chloride, Isodihydroperparine hydrochloride, 1,2,3,4-Tetrahydro-6,7-diethoxy-1-((3,4-diethoxyphenyl) methylene)-isoquinoline hydrochloride, 1-(3,4-diethoxybenzylidene)-6,7-diethoxy-1,2,3,4-tetrahydro-isoquinolin, 6,7,3',4'-Tetraethoxy-1-benzal-1,2,3,4-tetrahydroisoquinoline hydrochloride, (1Z)-1-(3,4-Diethoxybenzylidene)-6,7-diethoxy-1,2,3,4-tetrahydroisoquinoline hydrochloride, (Z)-1-(3,4-diethoxybenzylidene)-6,7-diethoxy-1,2,3,4-tetrahydroisoquinoline hydrochloride, MFCD01754602

Drotaverine hydrochloride (CAS 985-12-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C24H32ClNO4 and a molecular weight of 433.968 g/mol. It is also known as No-Spa hydrochloride, Tetraspasmin-Lef and Tetraspasmin-Lefa. Key properties include a melting point of 208-212ºC, a boiling point of 564ºC at 760 mmHg, a density of 1.097 g/cm3 and a flash point of 240.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 985-12-6
Jingsj CID: J-1972498-0
Molecular Formula: C₂₄H₃₂ClNO₄
Chinese Name: 盐酸屈他维林
Molecular Weight: 433.968 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	208-212ºC
Boiling Point	564ºC at 760 mmHg
Density	1.097 g/cm3
Flash Point	240.7ºC
Exact Mass	433.201996
PSA	48.95000
LogP	6.05600
Storage Conditions	-20°C Freezer

Activity & Biological Data

Additional Information	[1]. Patai Z, Guttman A, Mikus EG. Assessment of the Airway Smooth Muscle Relaxant Effect of Drotaverine. Pharmacology. 2018;101(3-4):163-169.

Customs & Trade Information

HS Code	2933990090
Summary	2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of Drotaverine hydrochloride?

The CAS number of Drotaverine hydrochloride is 985-12-6.

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

Drotaverine hydrochloride has molecular formula C24H32ClNO4 and molecular weight 433.968 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Drotaverine hydrochloride (CAS 985-12-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1972498-0 (accessed 2026-10-28).

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