Chemical Name: [1-hydroxy-2-(3-pyridinyl)ethylidene] bisphosphonic acid monohydrate
Synonyms : Risedronic acid monohydrate
CAS No.:105462-24-6
Molecular Formula:C7H11O7NP2·H2O
Molecular Weight:301.13
Formula :
Specification:
Characteristics |
white crystals or crystalline power |
Assay |
98.0-102.0% |
Relative substance |
≤0.5% |
Loss on Drying |
4.0-7.0% |
Sulphate |
≤0.005% |
Chloride |
≤0.005% |
Phosphite |
≤0.3% |
Heavy Metal |
≤0.001% |
Residual solvents |
Chlorobenzene ≤ 360 ppm
Benzene ≤ 2ppm |
Use: risedronate sodium intermediate
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