2-(2-Aminothiazol-4-yl)-2-hydroxyiminoacetic acid

(Z)-2-(2-氨基-4-噻唑基)-2-羟基亚氨基乙酸

Also known as: HATA, ATHAA, (Z)-2-Hydroxyimino-2-(2-aminothiazol-4-yl)acetic acid, (Z)-2-(2-Aminothiazol-4-yl)-2-(hydroxyimino)acetic acid, 2-(2-Amino-4-thiazolyl)-2-hydroxyiminoacetic acid, 2-Amino-alpha-(hydroxyimino)-4-thiazoleacetic acid, MFCD00062754

2-(2-Aminothiazol-4-yl)-2-hydroxyiminoacetic acid (CAS 66338-96-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H5N3O3S and a molecular weight of 187.17600 g/mol. It is also known as HATA, ATHAA and (Z)-2-Hydroxyimino-2-(2-aminothiazol-4-yl)acetic acid. Key properties include a melting point of 190-192ºC, a boiling point of 539.4ºC at 760 mmHg and a density of 1.92 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

66338-96-3

Jingsj CID

J-908260-5

Molecular Formula

C₅H₅N₃O₃S

Chinese Name

(Z)-2-(2-氨基-4-噻唑基)-2-羟基亚氨基乙酸

Molecular Weight

187.17600 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026