((Diphenylphosphaneyl)methyl)diphenylphosphine oxide CAS 23176-18-3
| CAS No. | 23176-18-3 |
| Molecular Formula | C25H22OP2 |
| Molecular Weight | 400.39 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C25H22OP2, ((Diphenylphosphaneyl)methyl)diphenylphosphine oxide contains a steroid core, organophosphorus functionality, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 400.39 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
((Diphenylphosphaneyl)methyl)diphenylphosphine oxide (CAS 23176-18-3), molecular formula C25H22OP2 and molecular weight 400.39 g/mol, is a CATO reference standard with documented purity and traceability.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), ((Diphenylphosphaneyl)methyl)diphenylphosphine oxide meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C25H22OP2 |
| Molecular Weight | 400.39 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1963 |
Related Diphenylphosphaneyl Standards
- 1,3-Bis(diphenylphosphaneyl)benzene (CAS 1179-05-1)
- 1,4-Bis((diphenylphosphaneyl)oxy)butane (CAS 10274-30-3)
- 3-(Diphenylphosphaneyl)propanenitrile (CAS 5032-65-5)
- 2,2'-Bis((diphenylphosphaneyl)methyl)-1,1'-binaphthalene (CAS 128347-41-1)
- Methyl 2-(diphenylphosphaneyl)-4-((15-oxo-19-((3aS,4S,6aR)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)-4,7,10-trioxa-14-azanonadecyl)carbamoyl)benzoate (CAS 608514-42-7)
- 2-(Diphenylphosphaneyl)phenol hydrobromide (CAS 81323-71-9)
Recommended Standards
- 2-[4-(5-Ethyl-1,2,4-oxadiazol-3-yl)-1,3-dioxo-1H,2H,3H,5H,6H,7H,8H-pyrido[1,2-c]pyrimidin-2-yl]-N-(5-methyl-1,2-oxazol-3-yl)acetamide (CAS 1775420-90-0)
- 3-((5-Bromo-1-((2-(trimethylsilyl)ethoxy)methyl)-1H-pyrrolo[2,3-b]pyridin-6-yl)oxy)propan-1-amine (CAS 2412347-13-6)
- 2-[4-(5-Methyl-1,2,4-oxadiazol-3-yl)-1,3-dioxo-1H,2H,3H,5H,6H,7H,8H,9H-pyrimido[1,6-a]azepin-2-yl]-N-(5-methyl-1,2-oxazol-3-yl)acetamide (CAS 1775346-41-2)
- 3-Oxo-3-(2,3,4-trimethoxyphenyl)propionic acidethyl ester (CAS 38975-83-6)
- 2-Methyl-4-((tetrahydrofuran-2-yl)methyl)-4H-furo[3,2-b]pyrrole-5-carboxylic acid (CAS 1707734-94-8)
- 2-Fluoro-N-(2-fluorobenzyl)-4-methylaniline (CAS 1039823-53-4)
- 2-(Ethylthio)-1-(3-fluorophenyl)ethan-1-one (CAS 1157204-70-0)
- 5,5,5-trifluoropentan-1-amine (CAS 149080-27-3)
- 4-Allyl-5-(4-chlorophenyl)-4H-1,2,4-triazole-3-thiol (CAS 91092-12-5)
- Ethyl (1S,2S)-2-(4-Chlorophenyl)cyclopropanecarboxylate (CAS 345905-96-6)
- (S)-2-(4-chloro-2,5-difluorophenyl)pyrrolidine (CAS 1269780-39-3)
- 3-fluoro-6-hydrazino-pyridine-2-carbonitrile (CAS 2138519-11-4)
- Bis[(10,11-η)-5-[(11bS)-dinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin-4-yl- κP4]-5H-dibenz[b,f]azepine]rhodium(I) tetrafluoroborate salt (CAS 1228149-03-8)
- (D-His1)-Exenatide trifluoroacetate salt (CAS 1678417-09-8)
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