Sub Group: Unlabeled Amino Acids Catalog Number: 6268 Formula: C17H21NO5S CAS Number: 42854-62-6 Molecular Weight: 351.42 Synonyms: L-Alanine Phenylmethyl Ester 4-MethylbenzenesulfonateL-Alanine Benzyl Ester Tosylate O-Benzyl-L-alanine Toluene-p-sulfonate