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CAS:52-90-4
MF: C3H7NO2S
MW:121.16
EINECS:200-158-2
Synonyms:L-Cysteine; (R)-2-Amino-3-mercaptopropanoicacid; 3-mercapto-l-alanin; alpha-amino-beta-mercaptopropionicacid; Cystein;half-cysteine;L-Cysteine-animalorigin
What is of L-Cysteine with CAS52-90-4?
It is a kind of non-essential amino acid of human body.
Amino acid is the constituent unit of protein, and protein is the material basis of life.
From humans to small microorganisms, all of them are composed of protein.
Specfication
| Appearance |
White crystals or crystalline powder. |
| Specific rotation [α]D20 | +8.3°~ +9.5° |
| State of solution | ≥95.0% |
| Chloride(Cl) | ≤0.2% |
| Ammonium（NH4） | ≤0.02% |
| Sulfate(SO4) | ≤0.030% |
| Iron(Fe) | ≤10ppm |
| Heavy metals(Pb) | ≤10ppm |
| Arsenic(As2O3) | ≤1ppm |
| Other amino acids | ≤1.0% |
| Loss on drying | ≤0.5% |
| Residue on ignition | ≤0.1% |
| Assay | 98.0~101.0% |
| pH | 4.5~5.5 |
Application
Cysteine helps the body detoxify. It is the best free radical scavenger along with selenium and vitamin E.
Cysteine is also a precursor to glutathione, which binds and detoxifies harmful substances in the liver.
It protects the liver and brain from damage from cigarettes, alcohol and drugs.
Package
