China (Mainland)
L-Cysteine CAS NO.52-90-4
- FOB Price: USD: 30.00-30.00 /Kilogram Get Latest Price
- Min.Order: 25 Kilogram
- Payment Terms: L/C,T/T,Other
- Available Specifications:
USP(25-200)Kilogram
- Product Details
Keywords
- L-Cysteine
- L-(+)-Cysteine
- 61-90-5
Quick Details
- ProName: L-Cysteine
- CasNo: 52-90-4
- Molecular Formula: C3H7NO2S
- Appearance: White crystals or crystalline powder
- Application: Health and medicne
- DeliveryTime: Send out within 1-3 days after receipt...
- PackAge: 25 kgs/ fiber durm or according to cus...
- Port: shanghai
- ProductionCapacity: 30 Metric Ton/Day
- Purity: 98.5%~ 101.0%
- Storage: Store at room(18~25℃) temperature. Pro...
- Transportation: deliver within 2-8 days
- LimitNum: 25 Kilogram
- Heavy Metal: ≤10ppm
- Limited Quantity: 5 KG
- Valid Period: 2 years when properly stored
- Grade: Food Grade,Pharma Grade
- purity: 98.5%~101.0%
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Details
【Product Name】 L-Cysteine
【CAS No.】52-90-4
【Standard】 Food/Medical grade (USP30)
【Mol. Formula】 C3H7NO2S
【Mol. Weight】121.16
【Assay】 98.5%~101.0%
【Appearance】 White crystals or Crystalline powder
【Packing】 25kgs/drum (standard packing)
【Storage】 Tight container, protect from light
Quality standard
|
Items |
Specifications |
|
Assay |
98.5%~101.0% |
|
Identification |
Infrared absorption spectrum |
|
Specific optical rotation |
-215.0°~ -216.81° |
|
Loss on drying |
≤0.20% |
|
Heavy metals |
≤10ppm |
|
Residue on ignition |
≤0.10% |
|
Chloride (Cl) |
≤0.05% |
|
Sulfate(SO42-) |
≤0.02% |
|
Iron(Fe) |
≤20ppm |
|
Organic Volatile impurities |
Meets the requirements |
|
Chromatographic purity |
Meets the requirements |
|
Appearance |
White crystals or Crystalline powder |
Packing：By 25 Kg/Fiber Drum, 1g ,5g ,10g, 50g, 100g, 1kg by double plastic bag and aluminum foil bag, or customized .
Shipping methods: We offer several delivery services to suit all customer needs, such as AIR freight, DHL, FEDEX, TNT, EMS, SEA freight and others.
Shanghai Soyoung Biotechnology Inc. a faithful and professional supplier and exporter of healthcare raw materials for pharmacy, nutrition and food industries for years with own laboratory and GMP standard factories.
Shanghai Soyoung has R&D Center and Testing Center, and has international advanced facilities of HPLC, GC, AAS, UV, TLC, LC-MS and IR equipments.
Shanghai Soyoung has nearly 20 years production experience, it is producing in GMP workshop, each batch pass strict testing before shipment. Strict quality control is performed in every procedure from material sourcing, processing and testing to packing.
We have the following advantages and service
1. A novel R&D center with advanced ventilation equipments and modern experiment equipments.
2. Two Large production factories with high capacity and meet the requirements of GMP.
3. Two warehouses in Shanghai China and Colorado USA.
4. Supplying the products from our manufacturers;
5. Custom synthesis of new products;
6. Help sourcing products and suppliers in China;
7. Assist the export and related affairs.
8. Stable quality,professional production & technology;
9. The most competitive price;
10. Steady supply, rapid delivery;
11. Perfect service, honest cooperation.