3-Methylisothiazole-4-carbonitrile
3-甲基异噻唑-4-甲腈
Also known as: 4-Cyano-3-methylisothiazole, 3-Methyl-isothiazole-4-carbonitrile, 4-Isothiazolecarbonitrile, 3-methyl-, 3-Methyl-1,2-thiazole-4-carbonitrile
3-Methylisothiazole-4-carbonitrile (CAS 58850-81-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H4N2S and a molecular weight of 124.164 g/mol. It is also known as 4-Cyano-3-methylisothiazole, 3-Methyl-isothiazole-4-carbonitrile and 4-Isothiazolecarbonitrile, 3-methyl-. Key properties include a boiling point of 128.0±33.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 31.2±25.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 58850-81-0
- Jingsj CID
- J-1420054-6
- Molecular Formula
- C5H4N2S
- Chinese Name
- 3-甲基异噻唑-4-甲腈
- Molecular Weight
- 124.164 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 128.0±33.0 °C at 760 mmHg |
|---|---|
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 31.2±25.4 °C |
Frequently Asked Questions
What is the CAS number of 3-Methylisothiazole-4-carbonitrile?
The CAS number of 3-Methylisothiazole-4-carbonitrile is 58850-81-0.
What are the molecular formula and molecular weight of 3-Methylisothiazole-4-carbonitrile?
3-Methylisothiazole-4-carbonitrile has molecular formula C5H4N2S and molecular weight 124.164 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3-Methylisothiazole-4-carbonitrile (CAS 58850-81-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1420054-6 (accessed 2026-10-26).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.