N-acetyl-L-cysteine | 616-91-1
Product Description:
N-Acetyl-L-cysteine is a white crystalline powder with a garlic-like odor and a sour taste.
Hygroscopic, soluble in water or ethanol, insoluble in ether and chloroform. It is acidic in aqueous solution (pH2-2.75 in 10g/LH2O), mp101-107℃.
The efficacy of N-acetyl-L-cysteine:
Antioxidants and mucopolysaccharide reagents.
It has been reported to prevent neuronal apoptosis, but induce apoptosis of smooth muscle cells and prevent HIV replication. May be a substrate for microsomal glutathione transferase.
Used as a phlegm-dissolving drug.
It is suitable for respiratory obstruction caused by a large amount of sticky phlegm obstruction. In addition, it can also be used for detoxification of acetaminophen poisoning.
Because this product has a special odor, it is easy to cause nausea and vomiting when taking it.
It has a stimulating effect on the respiratory tract and can cause bronchospasm. It is generally used in combination with bronchodilators such as isoproterenol, and at the same time with a sputum suction device.
Technical indicators of N-acetyl-L-cysteine:
Analysis Item Specification
Appearance White crystals or crystals powder
Identification Infrared Absorption
Specific rotation[a]D25° +21°~+27°
Iron(Fe) ≤15PPm
Heavy metals(Pb) ≤10PPm
Loss on drying ≤1.0%
Organic volatile impurities Meets the requirements
Residue on ignition ≤0.50%
Lead ≤3ppm
Arsenic ≤1ppm
Cadmium ≤1ppm
Mercury ≤0.1ppm
Assay 98～102.0%
Excipients None
Mesh 12 Mesh
Density 0.7-0.9g/cm3
PH 2.0～2.8
Total plate ≤1000cfu/g
Yeast and molds ≤100cfu/g
E.Coli Absence/g
