| Place of Origin: | China |
|---|---|
| Brand Name: | Senwayer Brand |
| Certification: | ISO, 9001, USP |
| Model Number: | 52-90-4 |
| Minimum Order Quantity: | 10grams |
| Price: | Discount is possible if your order is big enough |
| Packaging Details: | 10g, 20g, 50g , 100g, 500g. 1kg, 10kg |
| Delivery Time: | within 2 working days |
| Payment Terms: | T/T in advance, Money Gram, Western Union, Bank Transfer. |
| Supply Ability: | 1000kg/month |
| CAS: | 52-90-4 | Alias: | L-Cysteine, (R)-2-Amino-3-mercaptopropanoic Acid |
|---|---|---|---|
| Apparence: | Almost White Crystalline Powder | Purity: | 99% |
| Stock: | Enough Stock | Packing: | AS Your Requirements |
| High Light: | anti androgen drugs,anti aging powder |
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Effective Hair Growth Raw Material L-Cysteine 52-90-4 NutritionalSupplements Powder
Quick detail
| L-Cysteine | ||
| CAS No.: | 52-90-4 | |
| Synonyms: | H-CYS-OH; H-Cys-OH; CYSH; FEMA 3263; Cystein; L-Cysteine; E 920; L-Cys; | |
| Formula: | C3H7NO2S | |
| Exact Mass: | 121.02000 | |
| Molecular Weight: | 121.15800 | |
| PSA: | 102.12000 | |
| LogP: | 0.02840 | |
| Properties | ||
| Appearance & Physical State: | White crystalline powder | |
| Density: | 1.334 g/cm3 | |
| Melting Point: | 220ºC | |
| Boiling Point: | 293.9ºC at 760 mmHg | |
| Flash Point: | 131.5ºC | |
| Refractive Index: | 8.8 ° (C=8, 1mol/L HCl) | |
| Water Solubility: | 280 g/L (25 ºC) | |
| Stability: | Stability Stable, but may be air sensitive. Incompatible with oxidizing agents, bases. | |
| Storage Condition: | Store at RT. | |
L-Cysteine Description
L-Cysteine Usage
| (1) | L-cysteine can be used as bread improver, nutritional supplements, antioxidants and color fixative. It can also be applied for curing acrylonitrile and aromatic acid poisoning, preventing radiation damage and treating bronchitis and phlegm. L-cysteine can absorb alcohol and convert it into acetaldehyde to alleviate a hangover. According to GB 2760-96 regulations, L-cysteine is allowed for preparing spices. |
| (2) | L-cysteine can be used for the treatment of eczema, urticaria, freckles and other skin diseases. And its series products are widely used in medicine, food and cosmetics industry |
| (3) | L-cysteine can be used for biochemical research and as the antidote for hepatitis, liver poisoning, radiopharmaceutical poisoning, antimony poisoning, etc. |
| (4) | L-cysteine is mainly used for medicine, cosmetics, biochemical research and so on. It can be used in the bread material to accelerate the formation of gluten and to promote fermenting and depanning, as well as to prevent aging. It can be used in natural fruit juices to prevent oxidation of vitamin C and to prevent fruit juice from becoming brown. The product has detoxification effect and can be used for curing acrylonitrile poisoning and aromatic acidosis. This product also has the role of preventing the human body from radiation damage. It can be used as bronchitis drugs, especially as phlegm drugs (mostly in the form of acetyl L-cysteine methyl ester salt). In cosmetics, it is mainly used as cosmetic water, perm solution, anti-sun cream and other skin care. |
| (5) | L-cysteine is widely used in medicine, food and cosmetics industries. |
| (6) | L-cysteine can be used as the receptor agonists of NMDA glutamate. |
L-Cysteine COA
| Appearance | White Crystals or Crystalline Powder |
| Specification Rotation | +8.3º~+9.5º |
| State of Solution | ≥95.0% |
| Chloride(Cl) | ≤ 0.04% |
| Ammonium | ≤ 0.02% |
| Sulfate(SO4) | ≤ 0.030% |
| Iron(Fe) | ≤10ppm |
| Arsenic(As2o3) | ≤1ppm |
| Other Amino Acids | Conforms |
| Heavy Mental(Pb) | ≤10ppm |
| Loss on Drying | ≤ 0.50% |
| Residue on Ignition | ≤ 0.10% |
| Assay | 98.0%~101.0% |
| PH | 4.5~5.5 |
FAQ
Q1: Can i get some samples?
A: Yes, we can supply the free sample, but the shipping cost be paid by our customers.
Q2: How to start orders or make payments?
A: Proforma invoice will be sent first after confirmation of order, enclosed our bank information. Payment by T/T, Western Union.
Q3: How to confirm the Product Quality before placing orders?
A3:You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the samples.
You can send us your product specifications and requests,we will manufacture the products according to your requests.
Q4:Is there any discount?
A4:Different quantity has different discount.
Q5: How do you treat quality complaint?
A5:First of all, our quality control will reduce the quality problem to near zero. If there is a real quality problem caused by us, we will send you free goods for replacement or refund your loss
