Determine the necessary mass, volume, or concentration for preparing a solution.
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≥98% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Store at 2-8°C Ships Wet ice Check lot-specific COA for exact specifications.
SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.
Cited in 1 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
Risedronate Sodium is a bisphosphonate used to strengthen bone, treat or prevent osteoporosis, and treat Paget's disease of bone.
A pyridinyl biphosphonate.
| Pubchem Sid | 504762908 |
|---|---|
| Pubchem Sid Url | https://pubchem.ncbi.nlm.nih.gov/substance/504762908 |
| Canonical Smiles | C1=CC(=CN=C1)CC(O)(P(=O)(O)O)P(=O)(O)[O-].[Na+] |
| IUPAC Name | sodium;hydroxy-(1-hydroxy-1-phosphono-2-pyridin-3-ylethyl)phosphinate |
| InChIKey | DRFDPXKCEWYIAW-UHFFFAOYSA-M |
| INCHI | 1S/C7H11NO7P2.Na/c9-7(16(10,11)12,17(13,14)15)4-6-2-1-3-8-5-6;/h1-3,5,9H,4H2,(H2,10,11,12)(H2,13,14,15);/q;+1/p-1 |
| Isomeric SMILES | C1=CC(=CN=C1)CC(O)(P(=O)(O)O)P(=O)(O)[O-].[Na+] |
| WGK Germany | 3 |
| RTECS | SZ8567200 |
| Alternate CAS | 105462-24-6,329003-65-8 |
| PubChem CID | 4194514 |
| Molecular Weight | 305.09 |
Comprehensive hazard, handling, storage, and regulatory compliance document.
Download SDS →Lot-specific quality data. Enter your lot number to retrieve the exact COA.
Look up COA →Full quality attributes and acceptance criteria for this grade.
View spec sheet →Taxonomy Tree
| Kingdom | Organic compounds |
|---|---|
| Superclass | Organic acids and derivatives |
| Class | Organic phosphonic acids and derivatives |
| Subclass | Bisphosphonates |
| Intermediate Tree Nodes | Not available |
| Direct Parent | Bisphosphonates |
| Alternative Parents | Pyridines and derivatives Organic phosphonic acids Heteroaromatic compounds Azacyclic compounds Organopnictogen compounds Organophosphorus compounds Organooxygen compounds Organonitrogen compounds Organic zwitterions Organic sodium salts Organic oxides Hydrocarbon derivatives |
| Molecular Framework | Aromatic heteromonocyclic compounds |
| Substituents | Bisphosphonate - Pyridine - Organophosphonic acid - Heteroaromatic compound - Organoheterocyclic compound - Organic alkali metal salt - Azacycle - Organic nitrogen compound - Organic sodium salt - Organic salt - Organic zwitterion - Organopnictogen compound - Organophosphorus compound - Organooxygen compound - Organonitrogen compound - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Aromatic heteromonocyclic compound |
| Description | This compound belongs to the class of organic compounds known as bisphosphonates. These are organic compounds containing two phosphonate groups linked together through a carbon atoms. |
| External Descriptors | Not available |
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Find and download the COA for your product by matching the lot number on the packaging.
| Lot Number | Certificate Type | Date | Item |
|---|---|---|---|
| Certificate of Analysis | May 11, 2026 | R129954 | |
| Certificate of Analysis | May 11, 2026 | R129954 | |
| Certificate of Analysis | May 11, 2026 | R129954 | |
| Certificate of Analysis | Sep 08, 2025 | R129954 | |
| Certificate of Analysis | Sep 08, 2025 | R129954 | |
| Certificate of Analysis | May 10, 2023 | R129954 |
| Solubility | DMSO Water 2 mg/mL Ethanol;Soluble in water, insoluble in ethanol |
|---|---|
| Sensitivity | Moisture and heat sensitive |
| Molecular Weight | 305.090 g/mol |
| XLogP3 | |
| Hydrogen Bond Donor Count | 4 |
| Hydrogen Bond Acceptor Count | 8 |
| Rotatable Bond Count | 4 |
| Exact Mass | 304.983 Da |
| Monoisotopic Mass | 304.983 Da |
| Topological Polar Surface Area | 151.000 Ų |
| Heavy Atom Count | 18 |
| Formal Charge | 0 |
| Complexity | 375.000 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 1 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| The total count of all stereochemical bonds | 0 |
| Covalently-Bonded Unit Count | 2 |
| 1. Cong Wang, Wenting Liu, Yong Huang, Lin Zheng, Lili Wang, Ruixi Li, Chang Yang. (2025) Mitigating gastrointestinal side effects of risedronate sodium: A study on Bletilla striata polysaccharide microneedle patches. INTERNATIONAL JOURNAL OF PHARMACEUTICS, [PMID:40288506] [10.1016/j.ijpharm.2025.125609] |