Name:Zoledronic acid
M.F:C5H10O7N2P2 ·H2O
CAS:165800-06-6
Storage: keep in tight containers, in a cool and dry place, and away from light and moisture.
The detailed specifications are as below:
| Items | Standard |
| Appearance | White or off-white crystalline powder |
| Solubility | Sparingly soluble in 0.1N sodium hydroxide solution,slightly soluble in water and 0.1N hydrochloric acid,practically insoluble in ethanol. |
| Appearance of solution | The solution should be clear and colorless,if opalescent,should not more opalescent than reference suspension 1;if colored,not more intensely colored than Y2 |
| Identification | IR Spectrum Sample should concordant with spectrum of standard |
| Acidity | 2.0~4.0 |
| Loss on drying | 5.0%~7.0% |
| Chloride | ≤0.02% |
| Phosphate | ≤0.5% |
| Phosphite | ≤0.5% |
| Heavy Metals | ≤0.001% |
| Unspecified impurity | ≤0.1% |
| Total impurities | ≤0.3% |
| Purity | ≥99.7% |