4-Isothiazolecarboxylic acid, 3,5-dichloro
3,5-二氯-4-异噻唑羧酸
Also known as: 3,5-Dichloroisothiazole-4-carboxylic acid, 3,5-Dichloro-4-isothiazolecarboxylic acid, 3,5-dichloro-1,2-thiazole-4-carboxylic acid, 3,5-dichloro-isothiazole-4-carboxylic acid
4-Isothiazolecarboxylic acid, 3,5-dichloro (CAS 3889-59-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C4HCl2NO2S and a molecular weight of 198.02700 g/mol. It is also known as 3,5-Dichloroisothiazole-4-carboxylic acid, 3,5-Dichloro-4-isothiazolecarboxylic acid and 3,5-dichloro-1,2-thiazole-4-carboxylic acid. Key properties include a boiling point of 198.7ºC at 760mmHg, a density of 1.824g/cm3 and a flash point of 74ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 3889-59-6
- Jingsj CID
- J-1439738-5
- Molecular Formula
- C4HCl2NO2S
- Chinese Name
- 3,5-二氯-4-异噻唑羧酸
- Molecular Weight
- 198.02700 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 198.7ºC at 760mmHg |
|---|---|
| Density | 1.824g/cm3 |
| Flash Point | 74ºC |
Frequently Asked Questions
What is the CAS number of 4-Isothiazolecarboxylic acid, 3,5-dichloro?
The CAS number of 4-Isothiazolecarboxylic acid, 3,5-dichloro is 3889-59-6.
What are the molecular formula and molecular weight of 4-Isothiazolecarboxylic acid, 3,5-dichloro?
4-Isothiazolecarboxylic acid, 3,5-dichloro has molecular formula C4HCl2NO2S and molecular weight 198.02700 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-Isothiazolecarboxylic acid, 3,5-dichloro (CAS 3889-59-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1439738-5 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.