Bortezomib
CAS NO.179324-69-7
M.F:C19H25BN4O4
Shelf life:1 years
Storage:2~8℃
The detailed specifications are as below:
| Items | Standard |
| Character | White or off-white powder |
| Loss on drying | ≤1..0% |
| Heavy Metals | ≤20ppm |
| Optical Rotation | -45°~-55° |
| Related substances | Unspecified impurity≤0.10% |
| Total impurities≤1.0% | |
| Residual solvents | Methanol≤0.3% |
| Dichloromethane≤0.06% | |
| Hexane≤0.029% | |
| Ethyl acetate≤0.5% | |
| Purity | ≥99.0% |