... N-Acetyl-L-Cysteine Synoyms: acetyl-cysteine; Acetylcysteine, Cysteine, Cysteine Hydrochloride, Cystine, L-Cysteine, L-Cysteine HCl, NAC, N-Acetil Ciste ... 210-498-3 Molecular Formula: C5H9NO3S Molecular Weight: 163.20Function:1. N-Acetyl-L-Cysteine is the acetylated form of L ... 001% Max. Organic Volatile Impurities: Meets the requirementsLoss on Drying:1.0% Max. Residue on Ignition(Sulfate): 0.5% Max. ...