[1,1'-binaphthalene]-2,2'-diylbis(diphenylphosphine oxide)
- CAS86632-33-9
- CatalogueRS-Z412SYX
- FormulaC44H32O2P2
- MW654.19
On this page
Product identification
| Product name | [1,1'-binaphthalene]-2,2'-diylbis(diphenylphosphine oxide) |
|---|---|
| Catalogue No. | RS-Z412SYX |
| CAS No. | 86632-33-9 |
| Molecular formula | C44H32O2P2 |
| Molecular weight | 654.19 |
| Availability | Back order— restocking can be arranged, about 1–2 weeks |
| Standard type | General Reference Standards |
| Drug substance | Alendronate Sodium |
| Also known as | STDPHARM; Pharmaffiliates; CATO; QCS |
| Storage | Refer to the certificate of analysis (COA) supplied with each lot |
| Intended use | For laboratory and research use only. Not for human or veterinary use. |
What is stated on the certificate
Content and purity are assigned per lot and stated on the certificate of analysis issued for the batch you receive — they are not a catalogue-level figure. The certificate records the tests performed, the specification applied and the result obtained for that lot.
| Field | Basis |
|---|---|
| Identity | Spectroscopic and chromatographic methods appropriate to the material |
| Purity | Chromatographic purity, area normalisation unless stated otherwise |
| Assay / content | Mass balance, corrected for the stated volatiles and residue |
| Catalogue and batch numbers | RS-Z412SYX / batch number on the certificate |
| Retest date | Printed on the certificate for the lot supplied |
Frequently asked
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Is the assigned value given on an “as is” basis?
How should this material be stored?
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Finding this standard
Buyers reach this compound by CAS number, by catalogue number, through the drug substance it belongs to, or through the type of standard it is. Those routes all start here:
- Other impurities of Alendronate Sodium
- General Reference Standards of this kind
- Documents for this item (COA, SDS)
- Certificate of analysis for RS-Z412SYX
- Request a quotation for RS-Z412SYX
Searching another way? Send the structure, a SMILES string or the pharmacopoeial name — a CAS number is not required for a non-compendial impurity. Write to sales@rssechem.com.
Other standards of Alendronate Sodium
All 16 further standards are listed here — every link is in the page, not loaded later.
-
(4-benzamido-1-hydroxybutane-1,1-diyl)bis(phosphonic acid)
CUSTOM SYNTHESISRS-U055866 -
Alendronate Sodium-d6
IN STOCKRS-A281012 -
Diisopropyl Phosphorochloridate
CUSTOM SYNTHESISRS-U062244 -
Disodium [hydroxy(phosphono)methyl]phosphonate
IN STOCKRS-U062137 -
N-Acetylaminomethylphosphoric Acid
IN STOCKRS-U048204 -
Alendronate Sodium Impurity 1 (Alendronic Acid Dimeric Anhydride)
BACK ORDERRS-A281003 -
Alendronate Sodium Impurity 19
BACK ORDERRS-A281011 -
Alendronate Sodium Impurity 26
BACK ORDERRS-A281007 -
Alendronate Sodium Impurity 27
CUSTOM SYNTHESISRS-U002066 -
Alendronate Sodium Impurity 29
IN STOCKRS-A281009 -
Alendronate Sodium Impurity 32
IN STOCKRS-A281010 -
Alendronate Sodium Impurity 40
IN STOCKRS-A281002 -
Alendronate Sodium Impurity 41
IN STOCKRS-A281001 -
Alendronate Sodium Impurity 42
IN STOCKRS-A281004 -
Alendronate Sodium Impurity 43
CUSTOM SYNTHESISRS-A281005 -
Alendronate Sodium Impurity 44
IN STOCKRS-A281008
Pharmacopoeial names (EP, USP, BP, JP) are used for identification purposes only and do not imply endorsement by those bodies. This product is supplied for laboratory and research use only — not for human or veterinary use.



![Chemical structure of Disodium [hydroxy(phosphono)methyl]phosphonate](/structures/w4/HJZKOAYDRQLPME-UHFFFAOYSA-L.webp?v=8)










