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L-缬氨酸
产品详细介绍

L-Valine

CAS NO72-18-4

Chemical Name

L-Valine

Molecular Structure

1.jpg

Molecular Formula

C5H11NO2

Molecular Weight

117.15

Characteristics

White crystalling powder or white crystals

Packing

25/drum25/carton

Quality  Standard

AJI92/USP28/EP5/FCCIV

Specification

Specific rotation[a]D20°          

+27.6°~+29.0°         

State of solution

Clear and colorless

(Tranamittance)

≥98.0%

Ammonium(NH4)                    

≤0.02%               

Sulfate(SO4)                            

≤0.020%       

Iron(Fe)                             

≤10PPm           

Heavy metals(Pb)                  

≤10PPm              

Arsenic(As2O3)                     

≤1PPm                

Loss on drying                      

≤0.20%

Residue on ignition (Sulfated)

≤0.10%

Assay                                  

99.0100.5%             

PH                                         

5.56.5              


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