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 |
