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CAS: 56-89-3
FOB Price: 
Port:anyport in China
Minimum Order Quantity:1/Gram
Supply Ability:100 Kilogram/week
Payment Terms:L/C,D/A,D/P,T/T,Western Union,Moneygran,
Updatetime:May 24 2017
Company Profile
Contact:qiao hu
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Fax:***Membership has expired.***
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Quick Details
Classification: Food Additive Products
Cas NO.: 56-89-3
Molecular Formula: C6H12N2O4S2
Melting Point: 260-261℃
Boiling Point: 468.2 °C at 760 mmHg
Stability: Stable. Incompatible with strong oxidizing agents.
Water Solubility: 0.112 g/L (25℃)
Refractive index:-222.5 ° (C=1, 1mol/L HCl)
Flash Point: 237 °C
Purity: 98%
Appearance: White crystalline powder
usage: food additives
Brand Name: WHHZ
EINECS: 200-296-3
Aliase: (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-
Purity: 98%
Appearance:White crystalline powder
Brand: WHHZ
MF:C6H12N2O4S2: MW:240.3
Packaging & Delivery
Packaging Detail: in bottle or bucket
Delivery Detail: delivery in 2-3 days after receiving 30% T/T
Detailed Description

L-Cystine Basic information
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
Mol File: 56-89-3.mol


L-Cystine Chemical Properties
mp  >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
Water Solubility  0.112 g/L (25 ºC)
Merck  14,2782
BRN  1728094
Stability: Stable. Incompatible with strong oxidizing agents.
CAS DataBase Reference 56-89-3(CAS DataBase Reference)
NIST Chemistry Reference L-Cystine(56-89-3)
EPA Substance Registry System L-Cystine(56-89-3)

Safety Information
Hazard Codes  Xi
Risk Statements  36/37/38
Safety Statements  26-36-24/25
RIDADR  2811
WGK Germany  3
RTECS  HA2690000
Hazard Note  Irritant
PackingGroup  III
HS Code  29309014

L-Cystine Usage And Synthesis
Chemical Properties White crystalline powder

L-Cystine Preparation Products And Raw materials
Raw materials Sodium hydroxide --> Hydrochloric acid --> Activated carbon --> Activated carbon,decolor --> Α-PROTEIN --> Ethylenediaminetetraacetic acid --> L(+)-Arginine --> L-Histidine --> Boc-D-Tyrosine --> DL-Serine --> terylene --> N-CARBOBENZOXY-DL-LEUCINE --> SILK --> KERATIN
Preparation Products Cilastatin --> L-Cysteine --> L-Cysteine hydrochloride anhydrous --> L-Cysteine hydrochloride monohydrate --> DL-Cystine

L-Cystine Structure

Company Information
Name:Wuha******Ltd √ Verified
Category:Corporation/Limited Liability Company
Trade Category: Manufacturer√ Verified
Registered Time: 2002 √ Verified
Registered Capital: US$10 Million - US$50 Million
Legal Representative: Hu Qiao√ Verified
Employees: 11 - 50 People
Product/Service: medical intermediateadditives of cosmetics(CAS NO.127-82-2)plasticizer(CAS NO.1732-10-1)additives using welting(CAS NO.635-51-8)food additives for nutrient supplements,antiseptic substance
Picture Certification Name Certified By Business Scope Available Date --- Expired
Tax registration certificate - WuHan Municipal Office, SAT 2002-10-17~2022-10-16 √ Verified
Organization code certificate - Wuhan Bureau of Quality and Technical Supervision 2010-11-25~2014-11-24 √ Verified
Business license - WuHan Administrator For Industry & Commerce 2002-10-17~2022-11-16 √ Verified
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