isothiazole-4,5-dicarboxylic acid

异噻唑-4,5-二羧酸

Also known as: 1,2-thiazole-4,5-dicarboxylic acid, 4,5-isothiazoledicarboxylic acid

isothiazole-4,5-dicarboxylic acid (CAS 66882-70-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H3NO4S and a molecular weight of 173.14700 g/mol. It is also known as 1,2-thiazole-4,5-dicarboxylic acid and 4,5-isothiazoledicarboxylic acid. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 66882-70-0
Jingsj CID: J-1186665-3
Molecular Formula: C₅H₃NO₄S
Chinese Name: 异噻唑-4,5-二羧酸
Molecular Weight: 173.14700 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of isothiazole-4,5-dicarboxylic acid?

The CAS number of isothiazole-4,5-dicarboxylic acid is 66882-70-0.

What are the molecular formula and molecular weight of isothiazole-4,5-dicarboxylic acid?

isothiazole-4,5-dicarboxylic acid has molecular formula C5H3NO4S and molecular weight 173.14700 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "isothiazole-4,5-dicarboxylic acid (CAS 66882-70-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1186665-3 (accessed 2026-10-25).

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