N-acetyl-L-cysteine is a biochemical reagent and medicine. This product is used as an expectorant. It is said that phlegm is easy to clear and cough is easy to calm.
N-ACETYL-L-CYSTEINE CAS#616-91-1
N-acetyl-L-cysteine is a biochemical reagent and medicine. This product is used as an expectorant. It is said that phlegm is easy to clear and cough is easy to calm.
Appearance and properties: white crystalline powder with garlic-like odor and sour taste.
Hygroscopic, soluble in water or ethanol, insoluble in ether, chloroform. Acidic in aqueous solution (pH2-2.75 in 10g/L H2O), mp101-107!
It is the N-acetylated derivative of cysteine, containing sulfhydryl group in the molecule, which can break the disulfide bond (-S-S-) of the peptide bond of mucin, thus turning the mucin chain into a small molecule peptide chain, and lowering the viscosity of the mucin, so it is a dissolving agent for mucous phlegm, purulent phlegm, and respiratory tract mucus.
Usage: Used in medicine as mucous-phlegm solubilizing drug Usage: Used in biochemical research, used in medicine as mucous-phlegm solubilizing drug and antidote for acetaminophen poisoning. Use three as mucous phlegm dissolving drug. Suitable for respiratory obstruction caused by large amount of mucous phlegm obstruction. In addition, it can also be used for the detoxification of acetaminophen poisoning. Because of the special odor, it is easy to cause nausea and vomiting. It has an irritating effect on the respiratory tract and can cause bronchospasm, generally used in combination with isoproterenol and other bronchodilators, together with sputum aspirator to expel sputum. It is not suitable for contact with metals (e.g. Fe, Cu), rubber and oxidizing agents. Should not be used in conjunction with antibiotic drugs such as penicillin, cephalosporin, tetracycline, etc., so as not to reduce its antibacterial effect. Use with caution in bronchial asthma.
Uses four biochemical reagents, medicine, the product is used as an expectorant, called phlegm easy to clean, easy to cough quiet. It has a decomposition effect on viscous phlegm. The mechanism of action is that the sulfhydryl group contained in the molecular structure of the product can break the disulfide bond in the polypeptide chain of mucin in mucous phlegm, so that the mucin is decomposed, lowering the viscosity of phlegm, making it liquefied and easy to cough out. It is suitable for acute and chronic respiratory diseases where the sputum is thick and not easy to cough out, as well as the critical symptoms where a large amount of mucous phlegm is obstructed and causes difficulty in suction.
Usage: Antioxidant and mucopolysaccharide reagent. Reported to prevent neuronal apoptosis, but induces apoptosis in smooth muscle cells and prevents HIV replication. May be a substrate for microsomal glutathione transferase.
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