(4-Dimethylamino)phenyl)diphenylphosphine oxide CAS 797-72-8
| CAS No. | 797-72-8 |
| Molecular Formula | C20H20NOP |
| Molecular Weight | 321.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, (4-Dimethylamino)phenyl)diphenylphosphine oxide (C20H20NOP) contains a steroid core, an amide group, organophosphorus functionality, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 11.5, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 321.35 g/mol, it falls into the moderately-high-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
(4-Dimethylamino)phenyl)diphenylphosphine oxide (CAS 797-72-8) is a high-purity analytical reference standard with the molecular formula C20H20NOP and a molecular weight of 321.35 g/mol.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), (4-Dimethylamino)phenyl)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 | C20H20NOP |
| Molecular Weight | 321.35 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 11.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 1 |
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Recommended Standards
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- (e)-3-(1h-Pyrrolo[2,3-b]pyridin-3-yl)acrylaldehyde (CAS 923293-12-3)
- 6-Chlorobenzo[d]isothiazol-3(2H)-one 1,1-dioxide (CAS 46149-10-4)
- 6,8-Dimethyl-3-phenylquinolin-2-ol (CAS 1031928-29-6)
- 1,3-Diethylpiperazin-2-one (CAS 1404546-80-0)
- 2-(4-Aminothiophen-3-yl)acetic acid (CAS 770658-21-4)
- Methyl 3-(2-methylquinolin-6-yl)propanoate (CAS 1517646-99-9)
- Sodium 4-chloro-1-hydroxybutanesulfonate (CAS 54322-20-2)
- Tau Peptide (277-291) trifluoroacetate salt (CAS 330456-40-1)
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