(4-(Hydroxymethyl)phenyl)diphenylphosphineoxide CAS 5068-20-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 5068-20-2 |
| Molecular Formula | C19H17O2P |
| Molecular Weight | 308.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(4-(Hydroxymethyl)phenyl)diphenylphosphineoxide (CAS 5068-20-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C19H17O2P. Molecular weight: 308.31 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C19H17O2P |
| Molecular Weight | 308.31 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 | May oxidize slowly on prolonged air exposure; 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.) | 1958 |
Related Hydroxymethyl Standards
- (2-(Hydroxymethyl)phenyl)diphenylphosphine oxide (CAS 68718-89-8)
- 1-(5-(Hydroxymethyl)furan-2-yl)-9H-pyrido[3,4-b]indole-3-carboxylic acid (CAS 100041-05-2)
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- 2-(Hydroxymethyl)-6-(naphthalen-2-yloxy)tetrahydro-2H-pyran-3,4,5-triol (CAS 212140-32-4)
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Recommended Standards
- (2-Methoxyphenyl)diphenylphosphine oxide (CAS 51986-54-0)
- (4-methoxyphenyl)diphenylphosphine oxide (CAS 795-44-8)
- (2e)-3-[3-(4-fluorophenyl)-1-phenyl-1h-pyrazol-4-yl]prop-2-enoic acid (CAS 519137-39-4)
- 3-Aminopyridine-2-thiol hydrochloride (CAS 117884-16-9)
- 5-(3-Oxocyclohexyl)pyrimidine-2,4(1H,3H)-dione (CAS 1956318-74-3)
- 1-Benzyl-5-oxopyrrolidine-3-carbohydrazide (CAS 368429-72-5)
- Benzo[b]thiophen-3-yl(o-tolyl)methanone (CAS 22720-67-8)
- Daptomycin Impurity 11 (CAS CATO-C4X-137811)
- 5-(O-tolyl)thiazole-2-carbaldehyde (CAS 1211513-82-4)
- Semaglutide impurity 193 (CAS CATO-C4X-2226193)
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