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L-Threonine
Product detail

L-Threonine

CAS NO72-19-5

Chemical Name

L-Threonine

Molecular Structure

1.jpg

Molecular Formula

C4H9NO3

Molecular Weight

119.12

Characteristics

White crystalling powder

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%

Chloride(Cl)

≤0.02%

Ammonium(NH4)                    

≤0.02%               

Sulfate(SO4)                            

≤0.020%       

Iron(Fe)                             

≤10PPm           

Heavy metals(Pb)                  

≤10PPm              

Arsenic(As2O3)                     

≤1PPm               

Other amio acids

Chromatographically not detecatable

Loss on drying                      

≤0.10%

Residue on ignition (Sulfated)                           

≤0.10%

Assay                                  

99.0100.5%             

PH

5.26.2