• Products
  • Suppliers
  • Sourcing Requests
Post Sourcing Request Exhibition
You are here:   Home > EZSourcing > Sourcing Request > S-Carboxymethyl-L-Cysteine 638-23-3

S-Carboxymethyl-L-Cysteine 638-23-3
Categories: Active Pharmaceutical Ingredients>Biochemical Ingredients>Amino Acids and Derivatives
Expected Quantity: 1000
Valid To: 2018-07-11
Delivery To: China Mainland
Date Posted: 2018-04-09
The sourcing request is closed now.
Request Details

 

S-Carboxymethyl-L-CysteineCAS NO：74-79-3Chemical NameS-Carboxymethyl-L-CysteineMolecular Structure
Molecular FormulaC5H9NO4SMolecular Weight179.19CharacteristicsWhite  crystals or crystalline powder,strongly acid tastePacking25㎏/drum，25㎏/cartonQuality  StandardAJI92/USP28/EP5/FCCIV

Specification

 

Specific rotation[a]D20°          

-33.5°~-36.5°         

State of solution

Clear and colorless

(Tranamittance)

≥98.0%

Chloride(Cl)

≤0.039%

Ammonium(NH4)                    

≤0.02%               

Sulfate(SO4)                            

≤0.020%       

Iron(Fe)                             

≤30PPm           

Heavy metals(Pb)                  

≤10PPm              

Arsenic(As2O3)                     

≤1PPm               

Other amino acids                  

                                         

Chromatographically  not detectable 

Loss on drying                      

≤0.30%

Residue on ignition (Sulfated)                          

≤0.10%

Assay                                  

98.5～101.0%             

PH                                         

2.0～3.5              

Buyer's Business Info
Only registered supplier members are allowed to view Buyers contact details
Please
Quote
Recommended Sourcing Requests
amino acids and derivatives
Quantity：0
Date Posted：2012-08-08
More >
machinanics
Quantity：0
Date Posted：2012-08-03
More >
Paracetamol
Quantity：100
Date Posted：2014-02-27
More >
L-Threonine 72-19-5
Quantity：1000
Date Posted：2018-04-09
More >
Related News
XiaomichongJune 24, 2024
XiaomichongJuly 03, 2024
XiaomichongJuly 04, 2024
XiaomichongJune 24, 2024

Contact Us

PharmaSources@imsinoexpo.com

Tel: (+86) 400 610 1188

WhatsApp/Telegram/Wechat: +86 13621645194

About Us
About PharmaSources
Terms of Service
Privacy Policy
Event Data Sharing Notice
Intellectual Property
Media Partners
Buy
Search Products
Post Sourcing Requests
Search Suppliers
CAS Search
Sell
Member Application
Advertising
Post Products
EZSourcing
Events
CPHI China
PMEC China
Conferences
Search Events
Help
FAQ
Contact Us
Feedback
PharmaSources Customer Service