China (Mainland)
Diamondsupplier 
High purity 99% factory price in stock L-Cysteine CAS NO.52-90-4
- FOB Price: USD: 25.00-800.00 /Kilogram Get Latest Price
- Min.Order: 1 Kilogram
- Payment Terms: L/C,D/A,D/P,T/T,Other
- Available Specifications:
Pharmaceutical Grade(1-99)Kilogram Pharmaceutical Grade(100-1000)Kilogram
- Product Details
Keywords
- L-Cysteine
- factory price
- High purity 99%
Quick Details
- ProName: High purity 99% factory price in stock...
- CasNo: 52-90-4
- Molecular Formula: C3h7no2s
- Appearance: White powder
- Application: Used in bread, to promote the formatio...
- DeliveryTime: in 7 days afte your payment ( in stock...
- PackAge: 1kg/bag ;5kg/drum:25KG/drum
- Port: any port in China
- ProductionCapacity: 20 Metric Ton/Month
- Purity: 99% up
- Storage: in low tempreture
- Transportation: in low tempreture
- LimitNum: 1 Kilogram
Superiority
Why is SINOWAY:
1) Specialized in pharmaceutical and healthcare industrial for 34 years.
2) ISO 9001:2015 & SGS audited supplier .
3) Accept various payment terms : T.T 30-60 days.
4) We have warehouse in USA with quickly shipment .
5) We can do different terms of FOB ,CIF/CIP ,DDP ...
Why choose us
1. best quality in your requirement
2. competitive price in china market
3. mature technical support
4. professional logistic support
5. full experience of large numbers containers loading in chinese sea port
6. fast shipment by reputed shipping line
7. packing with pallet as buyer's special request
8. best service after shipment with email !
9. cargoes together with container after-sales service available
10. full experience in export
11. raw materials from chinese origin
Details
Product Information
| 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. |
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.
Appliction
Mainly used in medicine, cosmetics, biochemical research and other aspects.
Used in bread, to promote the formation of gluten and promote fermentation, mold, prevent aging.
Used in natural juices to prevent vitamin C from oxidizing and to prevent the juices from turning brown.
The product has a detoxification effect, can be used for acrylonitrile poisoning, aromatic acidosis.
It is also used to prevent radiation damage to the body and is a drug for the treatment of bronchitis, especially as a expectorant (mostly in the form of acetyl l-cysteine methyl ester).
Cosmetics mainly used for beauty water, perm fluid, sun - proof skin care cream.
COA
| ITEMS | SPECIFICATION | RESULTS |
| Appearance | crystalline powder | Conforms |
| Melting point | About 205°C | 206.4°C~206.7°C |
| Identification | Meet the requirements | Conforms |
| Appearance of solution | Clear, not more intense than Y7 | Conforms |
| PH | 2.4~3.0 | 2.6 |
| Loss on drying | ≤0.5% | 0.0004 |
| Sulphated ash | ≤0.1% | 0.0001 |
| Heavy metals | ≤20 ppm | <20 ppm |
| Related substances | ≤0.25% | Conforms |
| Assay | 99.0%~101.0% | 0.998 |
| Identification | Meet the requirements | Conforms |
| Loss on drying | ≤0.5% | 0.0004 |
| Residue on ignition | ≤0.1% | 0.0001 |
| Heavy metals | ≤0.003% | <0.003% |
| Residue solvent - Ethanol | ≤0.5% | <0.04% |
| Chloride | 16.9%~17.6% | 0.171 |
| Assay | 98.0%~102.0% | 100% |
| Conclusion: The product complies with BP2010/USP32/EP6 standard | ||
