pharmaceutical source/amino acid high purity and quality which is important to active methyl groups in the body.

Chemical Name: animo acid L-Methionine pharmaceutical source/

CAS NO:63-68-3

Molecular Formula :C5H11NO2S

Molecular Weight  149.21

Characteristics

White crystalline powder

Packing:25kg/drum,25kg/carton

Quality Standard: AJI92/USP28/EP5/FCCIV

Specification:

Specific rotation[a]D 20	+23.0 to +24.5
State pf Solution	Clear and Colorless
Tranamittance(NH4)	98.0PCT MIN
Heavy metals(Pb)	10PPM MAX
Residue on ignition(Sulfated)	0.1PCT MAX
Iron(Fe)	10PPM MAX
Loss on Drying	0.02PCT MAX
Other amino Acid	Conforms
As(As2O3)	1 PPM MAX
Chloride(CI)	0.02PCT MAX
Ammonium(NH4)	0.02PCT MAX
Sulfate(SO4)	0.02PCT MAX
Assay	99PCT--100.50PCT
PH	5.0--6.1

The l-isomer is a nutritionally essential amino acid and the most important natural source of “active methyl” groups in the body, amino acid

amino acid/ L-Methionine Food/Medicine Grade/additivepharmaceutical source/