D-Tryptophan / D-トリプトファン

CAS RN153-94-6
Chemical FormulaC11H12N2O2
FW204.23
Code No. Package Size
29581
29582 0.5kg
29583  5kg
29584 25kg

 

Solubility in water Colorless & clear (c=1)
Specific rotation [α]D20 +31.0°~+33.0°(c= 2,water)
Loss on drying Not more than 0.3%
Residue on ignition (as sulfate) Not more than 0.1%
Chloride (Cl) Not more than 0.02%
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, 10μg)
Assay 98.5%~101.0%
L-Isomer Not more than 0.5%