Chemical Name: [1-hydroxy-2-(3-pyridinyl)ethylidene] bisphosphonate monosodium hemipentahydrate; Synonyms：Risedronate sodium; Sodium risedronate ; Risedronate
CAS No.: 115436-72-1
Molecular Formula: C7H10O7NP2Na·2.5H2O
Molecular Weight:350.13
Formula ：
Specification:
| Characteristics |
white crystals or crystalline power |
| Assay |
≥99.0% |
| Acidity |
4.0-5.0 |
| Relative substance |
≤0.5% |
| Loss on Drying |
12.0-13.5% |
| Sulphate |
≤0.005% |
| Chloride |
≤0.005% |
| Phosphite |
≤0.3% |
| Heavy Metal |
≤0.001% |
| Residual solvents |
≤0.005% |
Use: anti-osteoporotic drug
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