D-Methionine / D-メチオニン

CAS RN348-67-4
Chemical FormulaC5H11NO2S
FW149.21
Code No. Package Size
29491
29492 1kg
29493  5kg
29494 10kg
29495 25kg

 

D-メチオニン
Solubility in water Colorless & clear (c=3)
Specific rotation [α]D20 -23.0°~-25.0°(c= 8, 6M-HCl)
Loss on drying Not more than 0.3%
Residue on ignition (as sulfate) Not more than 0.1%
Chloride (Cl) Not more than 0.03%
Sulfate (SO4) Not more than 0.03%
Heavy metals (as Pb) Not more than 10ppm
Iron (Fe) Not more than 10ppm
Ammonium (NH4) Not more than 0.02%
Arsenic (As2O3) Not more than 1ppm
Other amino acids Not detected by T.L.C.(The spotted amount, 20μg)
Assay 98.5%~101.0%
L-Isomer Not more than 0.5%