L-Cysteine HCL Anhydrous 52-89-1

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
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L-Cysteine  HCL  AnhydrousCAS NO52-89-1Chemical NameL-Cysteine  HCL  AnhydrousMolecular Structure
Molecular FormulaC3H7NO2S.HCl.H2OMolecular Weight175.63CharacteristicsWhite crystalline powder,tasteless,easily soluble in water but insoluble in alcohol and etherPacking25㎏/drum,25㎏/cartonQuality  StandardAJI92/USP28/EP5/FCCIV

Specification

 

Specific rotation[a]D20°          

+5.6~8.9°       

State of solution

Clear and colorless

Heavy metals(Pb)  

≤10PPm

Residue on ignition                           

≤0.1%  

Loss on drying                              

≤1 % 

Other amino acids                          

Chromatographically not detectable

Arsenic(As2O3) 

≤1PPm              

Assay                                  

98.0~102.0 %          

PH

1.5~2.0

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