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You are here:   Home > EZSourcing > Sourcing Request > DL-Methionine 59-51-8

DL-Methionine 59-51-8
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
The sourcing request is closed now.
Request Details

DL-MethionineCAS NO：59-51-8Chemical NameDL-MethionineMolecular Structure
Molecular FormulaC5H11NO2SMolecular Weight149.21CharacteristicsWhite crystalling powder Packing25㎏/drum，25㎏/cartonQuality  StandardAJI92/USP28/EP5/FCCIV

Specification

 

State of solution≥98.0%

Chloride(CL) 
Ammonium(NH4)
Sulfate(SO4)

≤0.020%
≤0.02%
≤ 0.020%

Iron(Fe)≤10PPmHeavy metals(Pb)≤10PPmArsenic(As2O3)≤1PPmOther amino acidsChromatographically not detectableLoss on drying≤0.30%Residue on ignition≤0.10%Assay99.0～100.5%PH5.6～6.1

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