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Catalogue Number:A285390
Chemical Name:(2R,4S)-2-((R)-((R)-2-Amino-2-(4-hydroxyphenyl)acetamido)(carboxy)methyl)-5,5-dimethylthiazolidine-4-carboxylic Acid Ammonium Salt
Synonyms:Amoxicillin Impurity D 5-R-Isomer Ammonium Salt; (2R)​-(2R)​-​2-​(4-Hydroxyphenyl)​glycyl-​2-​[(2R,​4S)​-​4-​carboxy-​5,​5-​dimethyl-​2-​thiazolidinyl]​glycine Ammonium Salt
CAS Number:1204829-51-5
Alternate CAS #
42947-63-7
Molecular Formula:C₁₆H₂₁N₃O₆S • NH ₃
Molecular Weight:383.42 + 17.03
Category:Standards; Molecular Biology; Pharmaceutical/API Drug Impurities/Metabolites;
Applications:(2R,4S)-2-((R)-((R)-2-Amino-2-(4-hydroxyphenyl)acetamido)(carboxy)methyl)-5,5-dimethylthiazolidine-4-carboxylic Acid Ammonium Salt is a salt analog of (2R,4S)-2-((R)-((R)-2-Amino-2-(4-hydroxyphenyl)acetamido)(carboxy)methyl)-5,5-dimethylthiazolidine-4-carboxylic Acid (CAS# 42947-63-7), which is an impurity of the antibiotic Amoxicillin (CAT# A634528). It can be useful in the development and validation of stability indicating HPLC methods for related substances and assay analyses of amoxicillin and potassium clavulanate mixtures.
References:Wang, P., et al.: Zhonghua Yiyuanganranxue Zazhi, 16, 1276 (2006); Bellur, A., et al.: J. Pharm. Biomed. Anal., 136, 1 (2017)
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