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L-Methionine
L-Methionine Molecular formula: C 5 H 11 NO 2 S
CAS NO.: 63-68-3
Description: L-Methionine White, lustrous, or a white, crystalline powder. It has a slight, characteristic odor. It is soluble in water, in alkali solutions, and in dilute mineral acids. It is slightly soluble in alcohol and practically insoluble in ether.
Reference standard : AJI,USP
Specification:
I , USP Assay 98.5- 101.5%
Pb ( GT-18 ) ≤10mg/Kg
Heavy metal ≤10mg/Kg
Loss on dying (105oC , 3h ) ≤0.3%
Residue on ignition ( GT-27 £?)≤0.2 %
Specific rotation[a] D 20o +21.30 -+23.50
[a] D 20o +21.20 - +23.40
Usage:
L-Methionine is one composition of amino acid infusion. It is an essential amino acid for human body. And it is also used as food additive.
Package:
Fibre drum double polyethylene bags inside 25kgs .