USD $1.00-10.00 / Kilogram
USD $9.00-99.00 / Kilogram
USD $9.00-99.00 / Kilogram
USD $9.00-99.00 / Kilogram
USD $9.00-99.00 / Kilogram
USD $9.00-99.00 / Kilogram
USD $2.00-10.00 / Kilogram
98.5%min
appearance |
odorless white crystalline powder |
solubility |
soluble in chloroform and dichloromethane, slightly soluble in ethanol, insoluble in water |
melting point |
227-230℃ |
specific rotation |
+39°~+43.5° |
related substances (by hplc) |
single impurity ≤0.2% |
|
total impurities ≤0.5% |
loss on drying |
≤ 0.5% |
residue on ignition |
≤ 0.1% |
residual solvents |
methanol ≤ 0.3% dichloromethane ≤ 0.06% |
heavy metals |
≤ 10 ppm |
arsenic |
≤ 10 ppm |
loose density bulk density |
≥ 0.25 g/ml ≥ 0.50 g/ml |
assay (on dried basis) (by hplc) |
98.5%-101.5% |