Find High Quality Pharmaceutical Grade L-cystine Powder, Amino Acid L-Cystine Powder CAS 56-89-3, High Purity 99% L-Cystine on Industry Directory, Reliable Manufacturer/Supplier/Factory from China.

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L-Cystine Amino Acid fine powder

L-Cystine Amino Acid fine powder

    Payment Type: L/C,T/T,D/P,Paypal,Money Gram,Western Union
    Terms of Trade: FOB,CFR,CIF,FCA,CPT,CIP
    Min. Order: 1 Ton
    Delivery Time: 10 Days
    Packaging: bag,durm,carton
    Productivity: 20 tons per week
    Brand: sino-excellent
    Transportation: Ocean,Land,Air
    Place of Origin: CHINA
    Supply Ability: 20 tons per week
    Certificate: ISO/KOSHER/HALAL
    HS Code: 2930909090
    Port: Shanghai,Tianjin,Qingdao

Basic Info

Model No.: EHP-1018

Product Description

Product Name: L-Cystine
Synonyms: (r-(r*,r*))-3,3`-dithiobis(2-aminopropanoicacid);1-cystine;3,3`-dithiobis(2-amino-,(r-(r*,r*))-propanoicaci;3,3`-dithiobis(2-aminopropanoicacid);3,3`-dithiobis-l-alanin;3,3'-Dithiobis(2-aminopropanoic acid);3,3'-Dithiodialanine;Alanine, 3,3'-dithiobis-
CAS: 56-89-3
MF: C6H12N2O4S2
MW: 240.3
EINECS: 200-296-3

Product Categories: Food and Feed Additive;Amino Acids;Amino Acid Derivatives;Cysteine [Cys, C];Nutritional Supplements;L-Amino Acids;Amino Acids;amino


L-Cystine Chemical Properties
Melting point >240 °C (dec.)(lit.)
alpha -224 º(c=2 in 1M HCl)
density 1.68
refractive index -222.5 ° (C=1, 1mol/L HCl)
storage temp. Store at RT.
solubility 1 M HCl: 100 mg/mL
form Powder/Solid
pka 1.0, 2.1, 8.02, 8.71(at 25℃)
color White
Water Solubility 0.112 g/L (25 ºC)
Merck 14,2782
BRN 1728094
Stability: Stable. Incompatible with strong oxidizing agents.

L-Cystine Usage And Synthesis

L-cystine (formula: (SCH2CH(NH2) CO2H)2), the L-form of cystine) is a covalently linked dimeric nonessential amino acid formed through the oxidation of cysteine. It is contained in many foods including eggs, meat, dairy products, and whole grains as well as in skin and hairs. L-cystine and L-methionine are the amino-acids required for wound healing and formation of epithelial tissue. It is able to stimulate the hematopoietic system and promote the formation of white and red blood cells. It can also be used as a component of parental and enteral nutrition. It can also be used for the treatment of dermatitis and protection of liver function. L-cystine is manufactured through the enzymatic conversion from DL-amino thiazoline carboxylic acid.

Chemical Properties White crystalline powder
Uses L-Cystine is a non-essential amino acid for human development. L-Cystine is formed by the dimerization of two cysteines through the sulfur.

Excellent Health Products Co.,Ltd.

 Sino-excellent provides solutions for human nutrition, beauty, food, pharmaceuticals and animal nutrition. Excellent has grown to become a global business, providing a wide range of functional products across 60 countries, with 600+ kinds of products

With over a decade of active industry experience, our wide range of supply chain capabilities allows us to be increasingly innovative when it comes to product development and a new application for our customers. we are able to provide an integrated product solution at premium quality.

Make people more healthy

1, Excellent helps customers to realize their dreams
2, Focus on customers' challenges and pressures, provide competitive solutions and continue to create maximum value for customers.

Core value
Our pursuit is to realize customers'dreams in the field of health, and relying on a drip by drip, perseverance and hard pursuit, we become the world's leading enterprises.

Serious, responsible and effective management is the greatest wealth of excellence. Respect for knowledge, personality and collective struggle to make our cause grow continuously

Widely absorb the latest research results in the field of health, modestly learn from excellent enterprises at home and abroad, develop and cooperate to develop leading technology systems, so that our products stand on their own among the world's top health powers.

To love our motherland, people, cause and life is the source of our cohesion. Responsibility consciousness, innovation spirit, dedication and solidarity, and cooperation spirit are the essence of our corporate culture, and seeking truth from facts is the criterion of our behavior.

Company Info

  • Company Name: Excellent Health Products Co.,Ltd.
  • Representative: ZHANGCHUNYAN
  • Product/Service: Botanical Extract , Nutraceuticals , Food ingredients , sports nutrition , APIs , Accessories
  • Capital (Million US $): 10,000,000 RMB
  • Year Established: 2012
  • Total Annual Sales Volume (Million US $): US$1 Million - US$2.5 Million
  • Export Percentage: 91% - 100%
  • Total Annual Purchase Volume (Million US $): US$1 Million - US$2.5 Million
  • No. of Production Lines: 3
  • No. of R&D Staff: 11 -20 People
  • No. of QC Staff: 5 -10 People
  • OEM Services Provided: yes
  • Factory Size (Sq.meters): 1,000-3,000 square meters
  • Factory Location: Industrial Zone, Mudian,Xuyi county,Jiangsu,China
  • Contact Person: Mr. victor.wan
  • Tel: 86-517-88279580
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