CAS 56-89-3 Sds L-Cystine API Amino Acid Food Additive

Basic Information
Place of Origin: China
Minimum Order Quantity: Negotiation
Price: Negotiation
Packaging Details: Drum/Bag
Delivery Time: Negotiation
Payment Terms: L/C, D/A, D/P, T/T
Supply Ability: Negotiation
Name: L-Cystine Synonyms: (r-(r*,r*))-3,3’-dithiobis(2-aminopropanoicacid);1-cystine;3,3’-dithiobis(2-amino-,(r-(r*,r*))-propanoChemicalbookicaci;3,3’-dithiobis(2-aminopropanoicacid);3,3’-dithiobis-l-alanin;3,3'-Dithiobis(2-aminopropanoicacid)
Cas No: 56-89-3 Ec No: 200-296-3
Molecular Formula: C6H12N2O4S2 Molecular Weight: 240.3
Melting Point: >240 °C Boiling Point: 468.2±45.0 °C
Density: 1.68
High Light:

cas no 56-89-3


cas number 56-89-3


l-cystine 56-89-3

L-Cystine ; CAS 56-89-3; API; Amino acids; Food additives



Name L-Cystine
Synonyms (r-(r*,r*))-3,3’-dithiobis(2-aminopropanoicacid);1-cystine;3,3’-dithiobis(2-amino-,(r-(r*,r*))-propanoChemicalbookicaci;3,3’-dithiobis(2-aminopropanoicacid);3,3’-dithiobis-l-alanin;3,3'-Dithiobis(2-aminopropanoicacid)
Molecular Formula C6H12N2O4S2
Molecular Weight 240.3
CAS Registry Number 56-89-3
EINECS Number 200-296-3
Melting point >240 °C
density 1.68
Boiling point 468.2±45.0 °C


Product Description:


L-cystine is a white hexagonal plate crystal or white crystalline powder.


Product Use:

L-cystine has a wide range of uses: 1. It is used in biochemical research. Preparation of biological media. Used in biochemistry and nutrition research, medicine has promoted the organism cell oxidation and reduction function, increase white blood cells and prevent the growth of pathogenic bacteria and so on. Mainly used for all kinds of hair loss. It is also used in dysentery, typhoid fever, influenza and other acute infectious diseases, asthma, neuralgia, eczema and various poisoning diseases, and has the function of maintaining the protein configuration of Chemicalbook. Also used as a food flavoring agent. 2. Biochemical reagents for the preparation of biological media. It is also an important ingredient in amino acid infusion and compound amino acid preparation. 3. It is good for animal development, increasing body weight, liver and kidney function and improving fur quality. 4. Can be used as cosmetic additive, can promote wound healing, prevent skin allergy and treat eczema.


CAS 56-89-3  Sds L-Cystine API Amino Acid Food Additive 0


Product Catalogue:




Number Cas Name
1 62-46-4 Alpha Lipoic Acid
2 303-98-0 Coenzyme Q10
3 6020-87-7 Creatine Monohydrate
4 110-17-8 Fumaric Acid
5 3416-24-8 Glucosamine
6 87-89-8 Inositol
7 73-22-3 L-Tryptophan
8 56-87-1 L-Lysine
9 24634-61-5 Potassium Sorbate
10 56038-13-2 Sucralose
11 107-35-7 Taurine
12 128-13-2 Ursodeoxycholic Acid/ UDCA
13 59-43-8 Vitamin B1
14 83-88-5 Vitamin B2
15 8059-24-310 Vitamin B6
16 68-19-9 Vitamin B12
17 50-81-7 Vitamin C
18 1406-18-4 Vitamin E
19 11138-66-2 Xanthan Gum


About us



Zhejiang chemical import and export co., LTD. (zhejiang), formerly known as zhejiang branch of China national chemical import and export corporation, was established in December 1980. In 1988, he was transferred from Sinochem Corporation to be in charge of Zhejiang Provincial Department of Commerce and was renamed Zhejiang Chemical Import and Export Company. In 2003, the company changed its name to Zhejiang Chemical Import and Export Co., Ltd after the reform of state-owned enterprise shareholding system.

In 2008, it was incorporated into Zhejiang International Trade Group (one of the top 500 enterprises in China) and became the core member of the group's business circulation sector. The registered capital of the company is 72.5 million yuan, of which 38% are owned by the state and 62% are owned by employees.
There are 195 employees in the company, more than 79% of whom have bachelor's degree, 36% of whom are graduate students, and more than 90% of the salesmen have pharmaceutical and chemical background. The company is mainly engaged in the import and export trade of pharmaceutical raw materials and intermediates, dyes, pesticides, basic chemicals, fine chemicals, food and feed additives, pharmaceutical preparations and other products. The company has established close economic and trade relations with more than 100 countries and regions around the world. The company has wholly-owned subsidiaries Ruike International Trade Co., Ltd., Zhejiang Ruikai Chemical Co., Ltd., Zhejiang Fukai Import and Export Co., Ltd., joint-stock enterprise Zhejiang Aotokang Pharmaceutical Group Co., Ltd.
In recent years, especially since the establishment of the new team in 2019, the company has adhered to the development led by the party building, energized by reform, and improved efficiency by management. The company has shown a steady upward momentum of development. In 2020, the company achieved revenue of 3.337 billion yuan, total profit of 56.12 million yuan, total import and export of 450 million dollars.

In 2019, the company was rated as China Council for the Promotion of International Trade (CCPIT) Recommended Certification Enterprise, Top 100 International Pharmaceutical Enterprises -- a high-quality supplier and partner in the international market; In 2020, Zhejiang Provincial Department of Commerce and other units rated as the province's epidemic prevention and medical materials import outstanding contribution enterprise, Zhejiang Provincial Tax Bureau identified as the export tax rebate enterprises.

Contact Details
William Wang

Phone Number : +86-13588430486

WhatsApp : +8613588430486