L-MethionineCAS NO:63-68-3Chemical NameL-MethionineMolecular Structure
Molecular FormulaC5H11NO2SMolecular Weight149.21CharacteristicsWhite crystalline powderPacking25㎏/drum,25㎏/cartonQuality StandardAJI92/USP28/EP5/FCCIV
Specification
Specific rotation[a]D20°
+23.0°~+24.5°
State of solution
Clear and colorless
(Tranamittance)
≥98.0%
Chloride(Cl)
≤0.02%
Ammonium(NH4)
≤0.02%
Sulfate(SO4)
≤0.020%
Iron(Fe)
≤10PPm
Heavy metals(Pb)
≤10PPm
Arsenic(As2O3)
≤1PPm
Other amio acids
Conforms
Loss on drying
≤0.20%
Residue on ignition (Sulfated)
≤0.10%
Assay
99.0~100.5%
PH
5.6~6.1
H-Phe(2-Cl)-OH
N-Boc-L-Leucine
Ac-Gly-Gly-OH
Contact Us
Tel: (+86) 400 610 1188
WhatsApp/Telegram/Wechat: +86 13621645194
+86 15021993094
Follow Us: