Cysteine (specifically L-cysteine and its stable form, N-acetylcysteine or NAC) is a sulfur-containing amino acid used to boost glutathione (a powerful antioxidant), treat respiratory conditions by breaking down mucus, detoxify the liver, and treat acetaminophen poisoning. It also supports hair health, regulates blood sugar, and improves neurological conditions like Alzheimer’s and schizophrenia. It is grouped under the following drug class(es): Amino Acids. The directory classifies it as a commercial API with a fermentation-derived source/manufacturing origin. Other names for this substance include Cystine, L-Dicysteine and Gelucystine. Its PubChem CID is 67678.
(-)-Cystine
| CAS No | 56-89-3 |
|---|---|
| Molecular Formula | C6H12N2O4S2 |
| Molecular Weight | 240.3 g/mol |
| Synonyms | (2R)-2-amino-3-[[(2R)-2-amino-2-carboxyethyl]disulfanyl]propanoic acid |
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Frequently Asked Questions
Cysteine (specifically L-cysteine and its stable form, N-acetylcysteine or NAC) is a sulfur-containing amino acid used to boost glutathione (a powerful antioxidant), treat respiratory conditions by breaking down mucus, detoxify the liver, and treat acetaminophen poisoning.
The listed CAS number is 56-89-3.
The listed molecular formula is C6H12N2O4S2.
The listed molecular weight is 240.3 g/mol.
(2R)-2-amino-3-[[(2R)-2-amino-2-carboxyethyl]disulfanyl]propanoic acid.
The source lists Cystine, L-Dicysteine and Gelucystine.