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l Cysteine Gnc CAS 52-90-4

Molecular Formula: C3H7NO2S

Formula Weight: 121.16

ZSpharmac: l Cysteine Gnc Supplement

Product Name: l Cysteine Gnc
CAS No: 52-90-4
Purity: 99%

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Basic Info

Product Name:l Cysteine Gnc
Other Names:L-Cysteine
Place of Origin:Shandong, China
Brand Name:ZSpharmac
Type:Cosmetic Raw Materials
Appearance:White Solid
EINECS No.:200-158-2
Storage:Store Below +30°C.
Provide:l Cysteine Gnc MSDS;
l Cysteine Gnc COA

What is l Cysteine Gnc?

l Cysteine Gnc, also known as cysteine, is a non-essential amino acid for the body. Amino acid is the constituent device of healthy protein, as well as protein is the material basis of life. From people to tiny bacteria, every one of them are made up of healthy proteins. Healthy proteins are composed of peptides, as well as peptide chains of peptides are made up of amino acids. Different healthy proteins are composed of peptide chains with different series and also sizes of amino acids. Genetics associated with inheritance are in fact chains of amino acids in various orders.

l Cysteine Gnc is carefully pertaining to cystine, and two molecules of cysteine type one molecule of cystine. Cysteine is relatively unpredictable and also can easily end up being cystine, which can additionally be lowered to cysteine. Both of these are sulfur-containing amino acids that have a role in skin development as well as cleansing.

l Cysteine Gnc is discovered in keratin, the major protein that composes nails, toe nails, skin and hair. l Cysteine Gnc can aid collagen tissue manufacturing and maintain skin elasticity as well as structure. It is additionally associated with the protein of digestion enzymes, and cysteine can supply the -SH team to numerous essential enzymes in the body, such as succinate dehydrogenase, lactate dehydrogenase and so forth.

l Cysteine Gnc Property

Melting point 

240 °C (dec.) (lit.)


8.75 º (c=12, 2N HCl)

Boiling point 

293.9±35.0 °C(Predicted)


1.197 (estimate)

refractive index 

8.8 ° (C=8, 1mol/L HCl)

storage temp. 

Store below +30°C.


H2O: 25 mg/mL


1.92(at 25℃)






4.5-5.5 (100g/l, H2O, 20℃)

optical activity

Optical rotation: +8° to +9° (c = 5, 1 N HCl, 20°C).

Water Solubility 

280 g/L (25 ºC)


l Cysteine Gnc Uses

  1. l Cysteine Gnc is utilized as bread improver; dietary supplement; anti-oxidant; shade retention agent. It has a cleansing result on acrylonitrile and fragrant acidosis; it has the result of stopping radiation damages; it has the result of treating respiratory disease and also minimizing phlegm; it has the result of taking in alcohol as well as transforming it into acetaldehyde in the body. According to the stipulations of GB2760-96, it is enabled to be used in flavors.
  2. l Cysteine Gnc is made use of to treat dermatitis, urticaria, blemishes as well as various other skin diseases, as well as its series of products are commonly made use of in the pharmaceutical, food and cosmetic sectors.
  3. l Cysteine Gnc is used in biochemical research and also medicinally as a remedy for liver disease, liver poisoning, radiopharmaceutical poisoning, antimony poisoning, etc.
  4. l Cysteine Gnc is mostly made use of in medicine, cosmetics, biochemical study and more. Used in bread to advertise the formation of gluten, promote fermentation, mold release, prevent aging, and so on. Used in natural juices to prevent oxidation of vitamin C and also stop juice from browning. This item has cleansing result and can be made use of for acrylonitrile poisoning and also aromatic acid poisoning. The item additionally has the effect of stopping radiation damages to the human body, as well as is also a drug for the therapy of respiratory disease, particularly as a phlegm-relieving drug (mainly in the form of acetyl L-cysteine methyl ester. Cosmetics are mainly made use of in appeal water, Hair perm, sun block lotion, etc.
  5. l Cysteine Gnc is commonly used in medicine, food and cosmetic industries.
  6. l Cysteine Gnc for NMDA glutamate receptor agonists.

l Cysteine Gnc Physiological Function

l Cysteine Gnc can assist the body purify. It is the most effective totally free extreme scavenger in addition to selenium and also vitamin E. Cysteine is likewise a precursor to glutathione, which binds and also purifies dangerous materials in the liver. It secures the liver as well as brain from damages from cigarettes, alcohol as well as medications.

Considering that l Cysteine Gnc is a lot more soluble than cystine, it is extra conveniently made use of by the body to treat numerous illness. Vitamin B6 is needed for cysteine synthesis in the body. Cysteine can not be synthesized when there are chronic illness, so individuals with chronic diseases require greater doses of cysteine, such as 1 g three times a day for 1 month.

Supplementation of l Cysteine Gnc is called for when struggling with rheumatoid joint inflammation, vascular sclerosis as well as cancer cells. Cysteine also increases recovery after surgical treatment and burns, complexes with heavy metals, and aids in iron absorption. These two amino acids likewise speed up fat use and also muscle development. Cysteine removes mucous from the air passages, so it can treat bronchitis, emphysema, and tuberculosis.

l Cysteine Gnc (or acetyl cysteine integrated with acetyl) can be used to avoid adverse effects during chemotherapy or radiation treatment for cancer. Since it boosts the level of glutathione in the lungs, kidneys, liver as well as bone marrow, it also has anti-aging effects, such as minimizing the incident of age spots.

l Cysteine Gnc can suspend insulin. For that reason, patients with diabetic issues can not take cysteine. The congenital disease cystinuria can cause cystine stones, so these 2 amino acids can not be taken either.

l Cysteine Gnc and Its Metabolism

l Cysteine ​​Gnc is a sulfur-containing amino acid that constitutes protein. It has an ionized sulfhydryl side chain and is hydrophobic. However, it is unstable at neutral pH or alkaline pH in the air, and its aqueous solution will automatically convert to cystine.
Although cystine does not belong to the amino acids that constitute proteins, it is generated by oxidizing the SH groups of two adjacent cysteines during the conformation process of proteins, so cystine exists in many protein molecules in the body. Due to the formation of cystine disulfide bonds, the protein conformation tends to be more stable. Of course, if cystine is reduced, two molecules of cysteine ​​can also be produced.
l The importance of Cysteine ​​Gnc as a protein component is to endow active proteins with free SH groups. For example, the active centers of some proteases (papain, bromelain) and glyceraldehyde phosphate dehydrogenase all use SH groups as functional groups . The carbon skeleton metabolic pathway of cysteine ​​mainly generates pyruvic acid and can be carboxylated to oxaloacetate for gluconeogenesis, so it belongs to a glycogenic amino acid, or it is converted into acetyl CoA and enters the tricarboxylic acid cycle to be completely oxidized. There are three possible pathways for how cysteine ​​is converted to pyruvate.
The non-protein nitrogenous compounds synthesized by or involved in the synthesis of Cysteine ​​Gnc include taurine, ubiquitamide, coenzyme A and glutathione.

Company Profile and Corporate Culture

Company Profile:

ZhiShang Chemical is owned by ZhiShang Group is a professional new-type chemicals enterprise combined into research and development, production and sales .

The company’s competitive product is pharmaceutical raw materials and intermediates (especially carbohydrate derivatives Series), In recent years, the company has made a major breakthrough in food and feed additives, plant extraction, industrial chemicals industry .

The company insists on the spirit of “sincere management, strict quality control, customer as god” , get consistent high praise from customers at home and abroad.

Corporate Culture:

Help China Chemicals to benefit the happiness of human life
Become the most trusted chemical supplier in the world
Striver – oriented, enrich employees, customer first, deep service, seek development
Be prepared for danger in times of peace, forge ahead actively, unity and cooperation, and be brave to fight

About Us

The production base is located in Zhangqiu chemical industry park and Tai’an high-tech chemical industry park. laboratory and workshop in strict accordance with the GMP standard and the product fit national ISO9001 and ISO2000 standards.

“Zhishang” products are exported to Europe, North and South America, the Middle East, Asia Pacific and Africa area, so as to establish a long-term and stable cooperation relationship with customer in the world.

Company Info
  • Business Type: Manufacturer
  • Product Range: Additive , Chemical Auxiliary & Catalyst , Organic Chemicals
  • Products/Service: Organic Intermediate,Inorganic Chemistry, APIs, Dyestuffs And Pigments, Fragrance And Spices, Food Additives
  • Total Employees: 51~100
  • Capital (Million US $): 10000000RMB
  • Year Established: 2016
Production Capacity
  • No. of Production Lines : 8
  • No. of QC Staff : 5 -10 People
  • OEM Services Provided : yes
  • Factory Size (Sq.meters) : 3,000-5,000 square meters
  • Certificate: ISO9001 , CE , GMP , API , MSDS
  • Factory Location : Diao Town Industry Park, Zhangqiu City, Jinan City, Shandong Province, China.


Pre-Sales Service

* Prompt reply and 24 hours online, professional team to provide best price and high quality product.

* Sample testing support.

* Every batch of products will be tested to ensureits quality.

*The packing also can be according the customers` requirment.

*Any inquiries will be replied within 24 hours.

*we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate. If your markets have any special requirements, let us know.


After-Sales Service

*The fact of logistics information monitoring.

* Any questions about the product can be consulted at any time.

*Product has any problem can return.


Do you accept sample order?

We will make samples before mass production, and after sample approved, we’ll begin mass production. Doing 100% inspection during production, then do random inspection before packing.



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.

What’s your MOQ?

Our MOQ is 1kg. But usually we accept less quantity such as 100g on the condition that sample charge is 100% paid.

Do you supply product report?

Yes. We’ll give you product analysis report before shipping.

  Is there a discount?

Different quantity has different discount.


1. ≤50kg, Express delivery recommended, usually called as DDU service;

2. ≤500kg, Air shipping recommended, usually called as FOB, CFR, or CIF service;

3. >500kg, sea shipping recommended, usually called as FOB, CFR, or CIF service;

4. For high value products, please select air shipping and express delivery for safe.

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