Isothiazole-5-carboxylic acid
异噻唑-5-羧酸
Also known as: 5-Isothiazolecarboxylic acid, 1,2-thiazole-5-carboxylic acid, 5-carboxyisothiazole, Isothiazole-5-carboxylic acid
Isothiazole-5-carboxylic acid (CAS 10271-85-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C4H3NO2S and a molecular weight of 129.137 g/mol. It is also known as 5-Isothiazolecarboxylic acid, 1,2-thiazole-5-carboxylic acid and 5-carboxyisothiazole. Key properties include a boiling point of 178.4±23.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 61.7±22.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 10271-85-9
- Jingsj CID
- J-1359270-7
- Molecular Formula
- C4H3NO2S
- Chinese Name
- 异噻唑-5-羧酸
- Molecular Weight
- 129.137 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 178.4±23.0 °C at 760 mmHg |
|---|---|
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 61.7±22.6 °C |
Frequently Asked Questions
What is the CAS number of Isothiazole-5-carboxylic acid?
The CAS number of Isothiazole-5-carboxylic acid is 10271-85-9.
What are the molecular formula and molecular weight of Isothiazole-5-carboxylic acid?
Isothiazole-5-carboxylic acid has molecular formula C4H3NO2S and molecular weight 129.137 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Isothiazole-5-carboxylic acid (CAS 10271-85-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1359270-7 (accessed 2026-10-26).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.