China Plant Extract Melatonin CAS 73-31-4, Find details about China Pharmaceutical, Pharmaceutical Intermediate from Plant Extract Melatonin CAS 73-31-4
ANALYTICAL ITEMS | SPECIFICATION |
Appearance | White powder |
Identification | IR |
UR | |
HPLC | |
Loss on drying | ≤1.0% |
Loss on ash | ≤0.1% |
Chloride (as Cl) | ≤0.01% |
Sulphate (as SO4) | ≤0.01% |
Heavy Metals | ≤20PPm |
Impurities | Any individual impurities ≤0.1% |
Total impurities ≤1.0% | |
Assay (on dry basis) | 98.5% ~ 101.5% |