Sub Group: Unlabeled Standards Catalog Number: 4805 CAS Number: 19542-77-9 Molecular Weight: 253.32 Synonyms: (N-Acetyl-S-(phenylmethyl)-L-cysteineN-Acetyl-3-(benzylthio)-alanineBenzylmercapturic AcidAcetyl Benzyl Cysteine)