Risedronate impurities and related standards
2 reference standards related to Risedronate held in the RSSE catalogue — pharmacopoeial impurities, non-compendial impurities, metabolites and labelled analogues where available.
In this group: 1 fine chemical · 1 impurity reference standard. CAS numbers are listed for 2 of 2; 1 entry carries a structure drawing.
| Compound | CAS No. | Catalogue No. | Formula | MW |
|---|---|---|---|---|
| Risedronate Related Compound A ([1-hydroxy-2-(2-pyridinyl)ethylidene]bis(phosphonic acid)) (1604621) | 105462-23-5 | RS-R026001 | C7H11NO7P2 | 283.11 |
| Risedronate EP Impurity A (Disodium Salt) | 1486466-30-1 | RS-R026002 | C14H16N2Na2O12P4 | 574.16 |
Structures
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Risedronate EP Impurity A (Disodium Salt)
COA per lot
![Chemical structure of Risedronate Related Compound A ([1-hydroxy-2-(2-pyridinyl)ethylidene]bis(phosphonic acid)) (1604621)](/structures/w1/XXNASZAYANFLID-UHFFFAOYSA-N.webp)
Frequently asked
How many Risedronate-related reference standards do you hold?
2 standards are listed on this page as of the latest catalogue build. CAS numbers are published for 2 of them and 1 entry carry a structure drawing. The catalogue is extended as new lots are released.
Can you supply a Risedronate impurity that is not listed here?
Yes. Non-compendial impurities can be quoted from a structure — a CAS number is not required. Send the structure, a SMILES string or the parent drug substance with your enquiry and we will come back with availability.
What documentation is supplied with Risedronate impurities?
Every lot ships with its own certificate of analysis. The certificate records the catalogue number, the batch number, the tests performed, the specification applied and the result obtained for that lot. A safety data sheet is supplied with the shipment.
Do you publish prices or a lead time for Risedronate impurities?
No price list is published: quotations are prepared per enquiry, because availability and packing depend on the lot and the quantity you need. Send the catalogue number and the quantity and a technical contact will answer with availability and a quotation.
Cannot find the impurity you need? Non-compendial impurities can be quoted from a structure — a CAS number is not required. Write to [email protected].