3-Chloro-5-(2-chlorophenyl)isothiazole-4-carboxylic acid

3-氯-5-(2-氯苯基)异噻唑-4-羧酸

Also known as: 3-CHLORO-5-(2-CHLOROPHENYL)ISOTHIAZOLE-4-CARBOXYLIC ACID, 4-Isothiazolecarboxylic acid, 3-chloro-5-(2-chlorophenyl)-, 4-Isothiazolecarboxylicacid,3-chloro-5-(2-chlorophenyl), RARECHEM AL BO 1860, 3-chloro-5-(2-chlorophenyl)-1,2-thiazole-4-carboxylic acid

3-Chloro-5-(2-chlorophenyl)isothiazole-4-carboxylic acid (CAS 306935-52-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H5Cl2NO2S and a molecular weight of 274.12300 g/mol. It is also known as 3-CHLORO-5-(2-CHLOROPHENYL)ISOTHIAZOLE-4-CARBOXYLIC ACID, 4-Isothiazolecarboxylic acid, 3-chloro-5-(2-chlorophenyl)- and 4-Isothiazolecarboxylicacid,3-chloro-5-(2-chlorophenyl). Key properties include a melting point of 144ºC, a boiling point of 298.2ºC at 760mmHg, a density of 1.576g/cm3 and a flash point of 134.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
306935-52-4
Jingsj CID
J-1510522-6
Molecular Formula
C10H5Cl2NO2S
Chinese Name
3-氯-5-(2-氯苯基)异噻唑-4-羧酸
Molecular Weight
274.12300 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point144ºC
Boiling Point298.2ºC at 760mmHg
Density1.576g/cm3
Flash Point134.1ºC

Frequently Asked Questions

What is the CAS number of 3-Chloro-5-(2-chlorophenyl)isothiazole-4-carboxylic acid?

The CAS number of 3-Chloro-5-(2-chlorophenyl)isothiazole-4-carboxylic acid is 306935-52-4.

What are the molecular formula and molecular weight of 3-Chloro-5-(2-chlorophenyl)isothiazole-4-carboxylic acid?

3-Chloro-5-(2-chlorophenyl)isothiazole-4-carboxylic acid has molecular formula C10H5Cl2NO2S and molecular weight 274.12300 g/mol.

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

Last updated:

How to cite: Jingsj. "3-Chloro-5-(2-chlorophenyl)isothiazole-4-carboxylic acid (CAS 306935-52-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1510522-6 (accessed 2026-10-25).

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