China (Mainland)
L-Cysteine CAS NO.52-90-4
- FOB Price: USD: 100.00-100.00 /Gram Get Latest Price
- Min.Order: 1 Gram
- Payment Terms: L/C,T/T,
- Available Specifications:
99%(5-10)Gram
- Product Details
Keywords
- L-Cysteine
- L-Cysteine ,C3H7NO2S
- 52-90-4,chemical
Quick Details
- ProName: L-Cysteine
- CasNo: 52-90-4
- Molecular Formula: C3H7NO2S
- Appearance: powder
- Application: Pharmaceutical Intermediates
- DeliveryTime: within 1-2days
- PackAge: bag
- Port: tianjin port
- ProductionCapacity: 100 Metric Ton/Month
- Purity: 99
- Storage: dry
- Transportation: by air
- LimitNum: 1 Gram
Superiority
| 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 |
Details
| 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 Reference | 52-90-4(CAS DataBase Reference) |
| NIST Chemistry Reference | L-Cysteine(52-90-4) |
| EPA Substance Registry System | L-Cysteine(52-90-4) |
| L-Cysteine Usage And Synthesis |
| Chemical Properties | White crystalline powder |
| Usage | L-Cysteine is a non-essential amino acid that can be synthesized by the human body under normal physiological conditions if a sufficient quantity of methionine is available. L-Cysteine is commonly use d as a precursor in the food and pharmaceutical industries. L-Cysteine is used as a processing aid for baking, as an additive in cigarettes, as well as in the preparation of meat flavours. |