Tongxiang Hengda Chemical Co., Ltd Tongxiang Hengda Chemical Co., Ltd
 
 
Risedronic acid
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 :Risedronic acid

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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