(4S)-2-(((R)-2-Amino-2-phenylacetamido)(carboxy)-methyl)-5,5-dimethylthiazolidine-4-carboxylic acid

(4S)-2-{[(R)-2-氨基-2-苯基乙酰氨基](羧基)甲基}-5,5-二甲基噻唑烷-4-甲酸

Also known as: 2-Amino-2-phenylacetamido)(carboxy)methyl)-5,5-dimethylthiazolidine-4-carboxylic Acid(Mixture of Diastereomers), Ampicillin Impurity D (Diastereomer mixture), Ampicillin Impurity D (Mixture of Diastereomers), AmpicillinEPImpurityDDisodiumSalt

(4S)-2-(((R)-2-Amino-2-phenylacetamido)(carboxy)-methyl)-5,5-dimethylthiazolidine-4-carboxylic acid (CAS 1642629-93-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C16H21N3O5S and a molecular weight of 367.4 g/mol. It is also known as 2-Amino-2-phenylacetamido)(carboxy)methyl)-5,5-dimethylthiazolidine-4-carboxylic Acid(Mixture of Diastereomers), Ampicillin Impurity D (Diastereomer mixture) and Ampicillin Impurity D (Mixture of Diastereomers). No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

1642629-93-3

Jingsj CID

J-667706-2

Molecular Formula

C₁₆H₂₁N₃O₅S

Chinese Name

(4S)-2-{[(R)-2-氨基-2-苯基乙酰氨基](羧基)甲基}-5,5-二甲基噻唑烷-4-甲酸

Molecular Weight

367.4 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026