L-METHIONINE

HomeLaboratory ChemicalsAmino Acids & Derivatives
Article No. 04605
Purity 99%%
Molecular Formula C5H11NO2S
H.S. Code 2930.4010
Grade For Biochemistry
CAS No. 63-68-3
Molecular Weight 149.21
Shelf Life 5

 
 
Specifications
Assay (HClO4 titration) Min 99%
Specific rotation +22.5 to + 24 deg
pH 2.5% solution 5.5 - 6.5
Loss on drying (at 105 deg C) Max 0.3%
Residue on ignition (as SO4) Max 0.1%
Chloride (Cl) Max 0.02%
Sulphate (SO4) Max 0.03%
Iron (Fe) Max 0.001%
Heavy metals (as Pb) Max 0.001%
Ammonium (NH4) Max 0.01%
Foreign amino acids Max 0.3%
Other ninhydrin positive substances (as glycine) Max 0.1%
Packings
25 Gm Request for price
100 Gm Request for price
500 Gm Request for price
 
 
Revision Date : 1-Dec-2012