(4S)-3-((2S)-5-oxopyrrolidine-2-carbonyl)thiazolidine-4-carboxylic acid

(S)-3-((S)-5-氧代吡咯烷-2-羰基)噻唑烷-4-羧酸

Also known as: Pidotimod Impurity E, Pidotimod Impurity 3, 4S-Pidotimod, (S)-3-((S)-5-oxopyrrolidine-2-carbonyl)thiazolidine-4-carboxylic acid, 4-Thiazolidinecarboxylic acid, 3-[[(2S)-5-oxo-2-pyrrolidinyl]carbonyl]-, (4S)-, 4-Thiazolidinecarboxylic acid, 3-[(5-oxo-2-pyrrolidinyl)carbonyl]-, [S-(R*,R*)]-, (4S)-3-(5-Oxo-L-prolyl)-1,3-thiazolidine-4-carboxylic acid, Pidomod impurity E, Pidotimod impurities1198

(4S)-3-((2S)-5-oxopyrrolidine-2-carbonyl)thiazolidine-4-carboxylic acid (CAS 162148-16-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H12N2O4S and a molecular weight of 244.268 g/mol. It is also known as Pidotimod Impurity E, Pidotimod Impurity 3 and 4S-Pidotimod. Key properties include a boiling point of 663.0±55.0 °C at 760 mmHg, a density of 1.526±0.06 g/cm3 and a flash point of 354.8±31.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

162148-16-5

Jingsj CID

J-1527890-2

Molecular Formula

C₉H₁₂N₂O₄S

Chinese Name

(S)-3-((S)-5-氧代吡咯烷-2-羰基)噻唑烷-4-羧酸

Molecular Weight

244.268 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026