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4-Aminoisothiazole-3-carboxylic acid

4-氨基异噻唑-3-羧酸

Also known as: 3-Isothiazolecarboxylic acid, 4-amino-, 3-Isothiazolecarboxylicacid,4-amino-(9CI), 4-AMINOISOTHIAZOLE-3-CARBOXYLIC ACID, 4-Amino-3-isothiazolecarboxylic acid, 4-Amino-isothiazole-3-carboxylic acid, 4-Aminoisothiazol-3-carbonsaeure, 4-amino-1,2-thiazole-3-carboxylic acid

4-Aminoisothiazole-3-carboxylic acid (CAS 462067-90-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C4H4N2O2S and a molecular weight of 144.15200 g/mol. It is also known as 3-Isothiazolecarboxylic acid, 4-amino-, 3-Isothiazolecarboxylicacid,4-amino-(9CI) and 4-AMINOISOTHIAZOLE-3-CARBOXYLIC ACID. Key properties include a boiling point of 227.6ºC at 760 mmHg, a density of 1.657g/cm3 and a flash point of 91.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
462067-90-9
Jingsj CID
J-1359249-3
Molecular Formula
C4H4N2O2S
Chinese Name
4-氨基异噻唑-3-羧酸
Molecular Weight
144.15200 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point227.6ºC at 760 mmHg
Density1.657g/cm3
Flash Point91.5ºC

Frequently Asked Questions

What is the CAS number of 4-Aminoisothiazole-3-carboxylic acid?

The CAS number of 4-Aminoisothiazole-3-carboxylic acid is 462067-90-9.

What are the molecular formula and molecular weight of 4-Aminoisothiazole-3-carboxylic acid?

4-Aminoisothiazole-3-carboxylic acid has molecular formula C4H4N2O2S and molecular weight 144.15200 g/mol.

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

Last updated:

How to cite: Jingsj. "4-Aminoisothiazole-3-carboxylic acid (CAS 462067-90-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1359249-3 (accessed 2026-10-24).

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