121268-17-5 Alendronate Sodium Alendronate sodium trihydrate
Chemical Name: Alendronate sodium
CAS No.: 121268-17-5
Molecular Fomula: C4H12NO7P2.Na.3H2O
Chemical Structure:
Molecular weight: 325.12
Appearance: white crystalline powder
Assay: 99%
Appearance |
White or almost white crystalline powder |
Solubility |
Soluble in water, practicality insoluble in methanol and in m ethylene chloride. |
IR |
Complies with the standard spectrum |
Loss on drying |
Complies |
Sodium salt |
Complies |
PH |
4.0-5.0 |
Related substance |
A Impurity A:≤0.15% Individual unspecified impurities: ≤0.10% Total impurities: ≤0.5% |
Impurity B and Impurity C |
B Impurity B ≤0.5% C Impurity C ≤0.5% |
Loss on drying |
16.1%-17.1% |
Assay(HPLC) |
98.0%-102.0%(based on dry basis) |
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