3-methyl-1-benzothiophene-5-carbonitrile

3-甲基-5-氰基苯并噻吩

Also known as: 3-methylbenzo[b]thiophene-5-carbonitrile, 3-methylbenzothiophene-5-carbonitrile, 5-cyano-3-methylbenzo[b]thiophene, 5-cyano-3-methyl-1-benzothiophene, 3-methyl-benzo[b]thiophene-5-carbonitrile

3-methyl-1-benzothiophene-5-carbonitrile (CAS 19404-23-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H7NS and a molecular weight of 173.23400 g/mol. It is also known as 3-methylbenzo[b]thiophene-5-carbonitrile, 3-methylbenzothiophene-5-carbonitrile and 5-cyano-3-methylbenzo[b]thiophene. Key properties include a boiling point of 327.548ºC at 760 mmHg, a density of 1.234g/cm3 and a flash point of 151.896ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
19404-23-0
Jingsj CID
J-1520203-3
Molecular Formula
C10H7NS
Chinese Name
3-甲基-5-氰基苯并噻吩
Molecular Weight
173.23400 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point327.548ºC at 760 mmHg
Density1.234g/cm3
Flash Point151.896ºC

Frequently Asked Questions

What is the CAS number of 3-methyl-1-benzothiophene-5-carbonitrile?

The CAS number of 3-methyl-1-benzothiophene-5-carbonitrile is 19404-23-0.

What are the molecular formula and molecular weight of 3-methyl-1-benzothiophene-5-carbonitrile?

3-methyl-1-benzothiophene-5-carbonitrile has molecular formula C10H7NS and molecular weight 173.23400 g/mol.

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

Last updated:

How to cite: Jingsj. "3-methyl-1-benzothiophene-5-carbonitrile (CAS 19404-23-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1520203-3 (accessed 2026-10-22).

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