N-Acetyl-L-Cysteine CAS 616-91-1

Product name: N-Acetyl-L-Cysteine Molecular Formula: C5H9NO3S Molecular Weight: 163.19 CAS No.: 616-91-1 Application N-acetyl-L-cysteine can be used as a expectorant drug. It is suitable for respiratory obstruction caused by a large number of adhesive blockages. It can also be used for detoxification of acetaminophen poisoning. Specification Appearance White or almost white, crystalline powder or colourless crystals Appearance of solution Clear and colorless PH 2.0-2.8 Specific optical rotation +21.0°- +27.0° Related substances L-cystine < 0.5% L-cysteine < 0.5% N,N’-diacetyl-L-cystine < 0.5% N,S-diacetyl-L-cysteine < 0.5% Any other impurity < 0.5% Total impurities < 0.5% Heavy metals ≤10ppm Zinc ≤10ppm Loss on drying ≤1.0% Residue on ignition ≤0.2% Assay 98.0-101.0% Packing 25kg/drum or as per requirement. Storage Store in a cool, dry place and protected from light.