L-cysteine, also known as cysteine, is a non-essential amino acid in human body. Amino acid is the constituent unit of protein. Protein is the material basis of life. From human to microorganism, all of them are composed of protein. Proteins are composed of peptides, and the peptide chains of peptides are composed of amino acids. Different proteins are composed of amino acids in different order and length of peptide chains. Genes related to heredity are actually amino acid chains in different order.
Product Name |
L-Cysteine |
CAS NO. |
52-90-4 |
Molecular formula |
C3H7NO2S |
Color |
White crystal powder |
Test methold |
HPLC |
Specification |
99% |
MOQ |
1KG |
Storage conditions |
Store in cool & dry place, Keep away from strong light and heat. |
Customized |
Available |
Sample |
Available |
1.Food grade: flour improver, nutritional supplement, antioxidants
2.Medicine grade: In pharmacy, used in the treatment of radioactive drugs poison, heavy metal poison, toxic hepatitis, serum sickness, and can prevent liver degeneration
3.Cosmetics additive: whiting skin, dissolving cutin, anti-aging. The component of cosmetics marcel extract, sunscreen, germinal perfume, hair essence

Application area
1. L-Cysteine Hydrochloride Monohydrate is widely used in fields of medicine, food processing, biological study, materials of chemical industry and so on. It is a promotor for bread fermentation. It promotes the form of glutelin and prevents from getting ageing. 2. Used in cosmetic. 3. It is used in natural fruit juice for preventing Vitamin C oxide. It has a detoxification for poison of acrylonitrile aromafic acid. It is used for protecting against radiation harm and therapy of bronchitis and liquefy sputum.