
NAC
N-Acetylcysteine (NAC) is formed from L-cysteine plus an acetyl group. Acetylcysteine appears as a white crystalline powder; it has a garlic-like odor and a sour taste; Hygroscopic. Its chemical name is N-acetyl-L-cysteine, its molecular formula is C5H9NO3S, and its relative molecular mass is 163.20.