... CAS# 616-91-1 Product Name: N-Acetyl-L-Cysteine Synoyms: acetyl-cysteine; Acetylcysteine, Cysteine, Cysteine Hydrochloride, Cystine, L-Cysteine, L-Cysteine HCl ... , NAC, N-Acetil Cisteína, N-Acétyl Cystéine, N-Acetyl-L- ... Formula: C5H9NO3S Molecular Weight: 163.20 Function: 1. N-acetyl-cysteine is the acetylated form of L-cysteine which is ...