| CAS No.: | 52-90-4 |
|---|---|
| Formula: | C3h7no2s |
| EINECS: | 203-536-5 |
| Packaging Material: | Powder |
| Storage Method: | Normal |
| Shelf Life: | 2 Years |
| Samples: |
|---|
| Customization: |
|---|
Suppliers with verified business licenses
Audited Supplier 
L-cysteine, a common amino acid in a living organism.As one of the alpha sulfur amino acids, encounter nitroprusside (nitroprusside) purple color (SH), found in many proteins, glutathione, and Ag +, Hg + and Cu + of metal ion can form insoluble mercaptide (mercaptide).Colorless crystals.Soluble in water, ethanol, acetic acid and ammonia, insoluble in ether, acetone, ethyl acetate, benzene, disulfide carbon and carbon tetrachloride.It can be oxidized to cystine in neutral and weakly alkaline solutions.
1. L-Cysteine has an effective detoxification.
2. L-Cysteine can effectively prevent and treat radiation injury.
3. L-Cysteine can remove the skin melanin itself, change the nature of the skin itself, the skin becomes natural whitening. It is a kind of ideal natural whitening cosmetics.
4. L-Cysteine can improve the symptoms of inflammation and skin allergies.
5. L-Cysteine on horny skin disease is also effective hypertrophy.
6. L-Cysteine has a function to prevent biological aging.
7.Cysteine is a kind of natural amino acid, has many uses in food processing, it is mainly used for baking products, as a necessary component of dough improver
8.Cysteine is a kind of reductant, it can promote the formation of gluten, reduce the time needed for mixing and the energy required for medicinal, cysteine by changing the protein molecules and protein molecules between the internal disulfide bond, weaken the structure of the protein, this protein is stretched.
| BCAA | L-serine | theanine |
|
|
L-Leucine
|
L-arginine-α-ketoglutarate | l-tyrosine |
|
1. Food grade: flour improver, nutritional supplement, antioxidants
2. Medicine grade: In pharmacy, used in the treatment of radioactive drugs poison, heavy metal poison, toxic hepatitis, serum sickness, and can prevent liver degeneration
3. Cosmetics additive: whiting skin, dissolving cutin, anti-aging. The component of cosmetics marcel extract, sunscreen, germinal perfume, hair essence.
|
Product:
|
l-cysteine
|
EINECS No:
|
200-158-2
|
|
CAS NO:
|
52-90-4
|
Molecular Formula:
|
C3H7NO2S
|
|
Item |
Specification |
|
Physical Property |
|
|
Appearance |
Powder |
|
Color |
off white |
|
Odour |
Characteristic |
|
Mesh Size |
100% through 80% mesh size |
|
General Analysis |
|
|
Identification Raspberry Ketone Loss on Drying |
Identical to R.S. sample 98% ≤5.0% |
|
Ash |
≤5.0% |
|
Contaminants |
|
|
Solvents Residue |
Meet Eur.Ph6.0<5.4> |
|
Pesticides Residue |
Meet USP32<561> |
|
Lead(Pb) |
≤3.0mg/kg |
|
Arsenic(As) |
≤2.0mg/kg |
|
Cadmium(Cd) |
≤1.0mg/kg |
|
Mercury(Hg) |
≤0.1mg/kg |
|
Microbiological |
|
|
Total Plate Count |
≤1000cfu/g |
|
Yeast &Mold |
≤100cfu/g |
|
E.Coli. |
Negative |
|
Salmonella |
Negative |
Q1. What's the MOQ?
A: Usually 1 kg. It is based on the different product. Some are 1g and some are 1 ton. Please be free to consult our salesman.
Q2. What's the shipping time?
A: If in stock, we will ship it out immediately. By FeDex will be 3~5 days to you.
Q3. If I need less than the MOQ, is it possible?
A: Yes. Please be free to consult our salesman.
Q4. Can you supply the free sample?
A: Usually it is possible. It based on the different product. Please be free to consult our salesman.
Q5. How to store the product?
A: Store in cool and dry place. It must be in well closed containers.The shelf life will be 2 years.
Q6: What's your main payment method?
A: T/T, Western Union, Money Gram, Paypal.
Q7: Do you have COA, MSDS, CO, Health certificate, form 9 or other certificate?
A: Yes, we have. pls be free to contact us to get updated one
Suppliers with verified business licenses
Audited Supplier 
){kind=link}
){kind=link}