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L-LEUCINE
L-LEUCINE

amino acid CAS NO 61-90-5 L-Leucine

 L-Leucine  CAS NO 61-90-5

 

Chemical Name

L-Leucine

Molecular Structure

 

Molecular Formula

C6H13NO2

Molecular Weight

131.17

Characteristics

White crystalling powder or white crystals.Odorless,slightly bitter taste.Freely soluble in formic acid,sparingly soluble in water,very slightly soluble in ethanol or in ether, dissoves in dilute hydrochloric acid.

Packing

25kg/drum,25kg/carton

Quality  Standard

AJI92/USP28/EP5/FCCIV

Specification                                                                     

Specific rotation[a]D20°          

+14.9~+16.0°         

State of solution

≥98.0%

Heavy metals(Pb)  

≤10PPm

Residue on ignition                           

≤0.1%  

Iron(Fe)

≤10PPm

Loss on drying                              

≤0.2%  

Other amino acids                          

Conforms  

Arsenic(As2O3) 

≤1PPm  

Chloride(CI) 

≤0.02%

Ammonium(NH4)

≤0.02%

Sulfate(SO4)    

≤0.02%

Assay                                  

99.0~100.5%             

PH

5.5~6.5

 

L-LEUCINE

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