Hair Growth Anti Aging Drugs L Cysteine CAS 52-90-4 Nutritional Supplements

Basic Information
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
Detail Information
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
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Product Description

Effective Hair Growth Raw Material L-Cysteine 52-90-4 NutritionalSupplements Powder
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CAS No.:52-90-4

H-CYS-OH; H-Cys-OH; CYSH; FEMA 3263; Cystein; L-Cysteine; E 920; L-Cys;
CYSTEINE; (R)-2-Amino-3-mercaptopropionic acid; CYS; Thioserine;

Exact Mass:121.02000
Molecular Weight:121.15800
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

  1. L-cysteine, also known as cysteine, is a non-essential amino acid of the human body. Amino acids are protein components and protein is the material basis of life. Ranging from human to microorganism, all consist of protein. Protein is composed of peptides, and peptide chain is composed of amino acids. Different proteins are composed of peptide chains in different order and length. Genes related to heredity are in fact amino acid chains in different orders.
  2. L-cysteine is closely related to cysteine, and two molecules of cysteine can form a cysteine. Cysteine is relatively unstable and easy to become cysteine. Cystine can also re-generate cysteine. These two both are sulfur-containing amino acids, which affect the formation of skin and can be used for detoxification.
  3. L-cysteine is present in keratin, which is the major protein that makes up nails, toenails, skin and hair.
  4. L-cysteine can help the production of collagen, and can maintain the skin's elasticity and texture. It is also related to the protein of digestive enzymes, and cysteine can supply –SH group to many important enzymes, such as succinate dehydrogenase and lactate dehydrogenase.

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.
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.
L-cysteine can be used as the receptor agonists of NMDA glutamate.

L-Cysteine COA

AppearanceWhite 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%
Other Amino AcidsConforms
Heavy Mental(Pb)≤10ppm
Loss on Drying≤ 0.50%
Residue on Ignition≤ 0.10%


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
Hair Growth Anti Aging Drugs L Cysteine CAS 52-90-4 Nutritional Supplements 0

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Abby Xiang

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