L-Cysteine CAS NO.52-90-4

1. Production capacity: we have three production base with high-tech production equipment and instruments, equipped with professional production personnel, meet your requirements.
2. Quality assurance: we have a first-class testing equipment and testing personnel, in strict accordance with ISO and cGMP standards, ensure that the quality of the shipment.
3.Ultra-low prices, we follow the meager profit but high turnover principle to win more customers, to provide you with quality and cheap products.
4.The best service: we can real-time quotation, tracking service, ensure the safety of the goods to the clients.
5. Customer groups: our clients throughout the world more than 30 countries, high quality products, low price, best service to win the customer's consistent high praise.
If you demand the product, you are welcome to contact us at any time, we guarantee that you seriously every inquiry, give you the fastest reply and the best service.

L-Cysteine Basic information
Product Name:L-Cysteine
Synonyms:(R)-2-Amino-3-mercaptopropanoic acid;3-mercapto-l-alanin;alpha-amino-beta-mercaptopropionicacid;alpha-Amino-beta-thiolpropionic acid;alpha-amino-beta-thiolpropionicacid;Cystein;half-cysteine;L-Alanine, 3-mercapto-
CAS:52-90-4
MF:C3H7NO2S
MW:121.16
EINECS:200-158-2
Product Categories:API intermediates;Cysteine [Cys, C];Amino Acids;Amino Acids and Derivatives;alpha-Amino Acids;Antioxidant;Biochemistry;Nutritional Supplements;L-Amino Acids;Amino Acids;amino
Mol File:52-90-4.mol
L-Cysteine Chemical Properties
mp 220 °C (dec.)(lit.)
alpha 8.75 º (c=12, 2N HCl)
FEMA 3263
refractive index 8.8 ° (C=8, 1mol/L HCl)
storage temp. Store at RT.
solubility H2O: 25 mg/mL
Water Solubility 280 g/L (25 ºC)
Sensitive Air Sensitive
Merck 14,2781
BRN 1721408
Stability:Stability Stable, but may be air sensitive. Incompatible with oxidizing agents, bases.
CAS DataBase Reference52-90-4(CAS DataBase Reference)
NIST Chemistry ReferenceL-Cysteine(52-90-4)
EPA Substance Registry SystemL-Cysteine(52-90-4)
Safety Information
Hazard Codes Xn,Xi
Risk Statements 22-36/37/38-20/21/22
Safety Statements 36-37/39-26
WGK Germany 3
RTECS HA1600000
F 10-23
HS Code 29309012
Hazardous Substances Data52-90-4(Hazardous Substances Data)