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DL-Methionine
Product detail

DL-Methionine

CAS NO59-51-8

Chemical Name

DL-Methionine

Molecular Structure

1.png

Molecular Formula

C5H11NO2S

Molecular Weight

149.21

Characteristics

White crystalling powder 

Packing

25/drum,25/carton

Quality  Standard

AJI92/USP28/EP5/FCCIV

Specification

State of solution

≥98.0%

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

≤0.020%
       ≤0.02%
       ≤ 0.020%

Iron(Fe)

≤10PPm

Heavy metals(Pb)

≤10PPm

Arsenic(As2O3)

≤1PPm

Other amino acids

Chromatographically not detectable

Loss on drying

≤0.30%

Residue on ignition

≤0.10%

Assay

99.0100.5%

PH

5.66.1

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