CAS Registry Number

CAS 616-91-1 — N-Acetyl-L-cysteine

N-Acetyl-L-cysteine is a derivative of the amino acid L-cysteine used as a mucolytic agent and antioxidant, commonly in respiratory therapies and detoxification protocols. It has a CAS number of 616-91-1, molecular formula of HSCH₂CH(NHCOCH₃)CO₂H, and a molecular weight of 163.19 g/mol. Store at 2 to 8 °C. Signal word: Warning. Molekula supplies N-Acetyl-L-cysteine from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Also known as: N-Acetyl-L-cysteine, USP grade · Acetylcysteine - USP CRS · Acetylcysteine - EP CRS · Acetylcysteine - BP CRS