L-Tyrosine

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L-Tyrosine

CAS NO:60-18-4

             Chemical Name                        L-Tyrosine          
Molecular Structureb19aeb17682071549998137dc9a26968.jpg
Molecular FormulaC9H11NO3
Molecular Weight181.19
CharacteristicsWhite styli form crystals with bitterness,soluble in dilute acids or base
Packing25㎏/drum,25㎏/carton
Quality  StandardAJI92/USP28/EP5/FCCIV
Specification
Specific rotation[a]D20° 

-11.3°~-12.1°

State of solution≥95.0%
Heavy metals(Pb)≤10PPm
Residue on ignition≤0.1%
Iron(Fe)≤10PPm
Loss on drying≤0.02%
Other amino acids    Conforms  
Arsenic(As2O3) ≤1PPm
Chloride(CI)≤0.02%
Ammonium(NH4)≤0.02%
Sulfate(SO4)≤0.02%
Assay99.0~100.5%
PH5.0~6.5


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