Item | Specifications |
Appearance | White or off-white powder |
Identification(HPLC) | The IR spectrogram conforms to the characteristic peak of R.S. |
The maximum absorption should be in 214nm±2nm |
The retention time of the major peak in the chromatogram conforms to the characteristic peak of R.S. |
Melting point | 248.6-252.3℃ |
Residual solvents | Methylene chloride ≤600ppm |
Ethanol ≤5000ppm |
Acetone ≤400ppm |
Hexane ≤290ppm |
DMF ≤880ppm |
THF ≤720ppm |
Heavy metals | ≤10ppm |
Assay(HPLC) | ≥95% (a and b) |
5a-hydroxy laxogenin Usage
Used in pharmaceutical production
5a-hydroxy laxogenin Packing and Storage
1kg/bag, 20kg/drum.
Store in cool place. Keep container tightly closed in a dry and well-ventilated place.