China (Mainland)
factory price L-Cystein negotiable price on hot selling CAS NO.52-90-4
- FOB Price: USD: 1.00-1.00 /Metric Ton Get Latest Price
- Min.Order: 25 Kilogram
- Payment Terms: L/C,D/A,D/P,T/T,
- Available Specifications:
USP(1-2)Metric Ton
- Product Details
Keywords
- factory price L-Cystein
- negotiable price L-Cystein
- 52-90-4 on hot selling
Quick Details
- ProName: factory price L-Cystein negotiable pri...
- CasNo: 52-90-4
- Appearance: Details see COA
- Application: Pharmaceuticals/Nutrition supplement
- DeliveryTime: Prompt shipment
- PackAge: 25kg/drum
- Port: Main Port in China
- ProductionCapacity: 10 Metric Ton/Week
- Purity: 99%
- Storage: Store in dry,dark,cool place
- Transportation: Sea/Air/Express
- LimitNum: 25 Kilogram
- Ash Content: Details see COA
- Heavy Metal: Details see COA
- Voluntary Standards: USP
- Valid Period: 7 days
Superiority
factory price L-Cystein negotiable price on hot selling
1. before shipment, free sample for test
2. Packing as your request, with photo before shipment
3. Cargoes photo before and after loading into container
4. Fast shipment by reputed shipping line
5. Best service after shipment with emails
Quick Details
Details
| 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 |
| Melting point | 220 °C (dec.)(lit.) |
| alpha | 8.75 º (c=12, 2N HCl) |
| density | 1.197 (estimate) |
| FEMA | 3263 | L-CYSTEINE |
| refractive index | 8.8 ° (C=8, 1mol/L HCl) |
| storage temp. | Store at RT. |
| solubility | H2O: 25 mg/mL |
| pka | 1.92(at 25℃) |
| form | Solid |
| color | White |
| PH | 4.5-5.5 (100g/l, H2O, 20℃) |
| 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) |