2-Mercapto-4-methyl-5-thiazoleacetic acid

2-巯基-4-甲基-5-噻唑乙酸

Also known as: (2-Mercapto-4-methyl-5-thiazolyl)acetic Acid, 2-(2-Mercapto-4-methyl-1,3-thiazol-5-yl)acetic acid, (4-Methyl-2-thioxo-2,3-dihydro-1,3-thiazol-5-yl)acetic acid, 2-(4-Methyl-2-sulfanyl-1,3-thiazol-5-yl)acetic acid, 2-MERCAPTO-4-METHYLTHIAZOLE-5-ACETIC ACID, 2-Mercapto-4-methyl-5-thiazole acetic acid (MMTA), 5-(Carboxymethyl)-2-mercapto-4-methylthiazole, Cefodizime Side Chain Acid, Cefodizime Impurity A, Cefodizime Impurity 1, MMTA, EINECS 251-905-4, MFCD01750430

2-Mercapto-4-methyl-5-thiazoleacetic acid (CAS 34272-64-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H7NO2S2 and a molecular weight of 189.255 g/mol. It is also known as (2-Mercapto-4-methyl-5-thiazolyl)acetic Acid, 2-(2-Mercapto-4-methyl-1,3-thiazol-5-yl)acetic acid and (4-Methyl-2-thioxo-2,3-dihydro-1,3-thiazol-5-yl)acetic acid. Key properties include a melting point of 207 °C (dec.)(lit.), a boiling point of 375.6±34.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 181.0±25.7 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

34272-64-5

Jingsj CID

J-1401-6

Molecular Formula

C₆H₇NO₂S₂

Chinese Name

2-巯基-4-甲基-5-噻唑乙酸

Molecular Weight

189.255 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026