(2-(Hydroxymethyl)phenyl)diphenylphosphine oxide CAS 68718-89-8
| CAS No. | 68718-89-8 |
| Molecular Formula | C19H17O2P |
| Molecular Weight | 308.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of (2-(Hydroxymethyl)phenyl)diphenylphosphine oxide is closely related to a steroid core, organophosphorus functionality, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
(2-(Hydroxymethyl)phenyl)diphenylphosphine oxide (CAS 68718-89-8), molecular formula C19H17O2P and molecular weight 308.31 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C19H17O2P, (2-(Hydroxymethyl)phenyl)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 308.31 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures (2-(Hydroxymethyl)phenyl)diphenylphosphine oxide under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
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.) | 1976 |
Related Hydroxymethyl Standards
- (4-(Hydroxymethyl)phenyl)diphenylphosphineoxide (CAS 5068-20-2)
- 1-(5-(Hydroxymethyl)furan-2-yl)-9H-pyrido[3,4-b]indole-3-carboxylic acid (CAS 100041-05-2)
- N-(5-(4-(hydroxymethyl)phenyl)-[1,2,4]triazolo[1,5-a]pyridin-2-yl)cyclopropanecarboxamide (CAS 1142936-49-9)
- 4-((3-(Hydroxymethyl)phenyl)carbamoyl)benzene-1-sulfonyl fluoride (CAS 80936-68-1)
- 5-(Hydroxymethyl)-2-methyl-4-(2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indol-1-yl)pyridin-3-ol (CAS 98497-92-8)
- 1-Benzyl-3-(hydroxymethyl) 3-Boc-aminopyrrolidine (CAS 475469-14-8)
- 2-(Hydroxymethyl)-6-(naphthalen-2-yloxy)tetrahydro-2H-pyran-3,4,5-triol (CAS 212140-32-4)
- N-(4-(Hydroxymethyl)benzyl)-4-(pyrrolidin-1-yl)benzamide (CAS 617691-15-3)
Recommended Standards
- N-(4-methoxyphenyl)-3-nitrobenzenesulfonamide (CAS 180631-81-6)
- (2e)-3-[3-(4-fluorophenyl)-1-phenyl-1h-pyrazol-4-yl]prop-2-enoic acid (CAS 519137-39-4)
- 5-(3-(2,6-Difluorophenyl)-1,2,4-oxadiazol-5-yl)-4-ethylthiazol-2-amine (CAS 1710201-70-9)
- (2-Methoxyphenyl)diphenylphosphine oxide (CAS 51986-54-0)
- 3-Methyldodec-1-yn-3-ol (CAS 24424-78-0)
- 2-Cyano-N-(2,4-dimethylphenyl)acetamide (CAS 50982-69-9)
- lithium(1+) ion imidazo[1,5-a]pyrimidine-8-carboxylate (CAS 1909309-42-7)
- 3-(3,4-Dimethyl-6-oxopyrano[2,3-c]pyrazol-1(6H)-yl)benzoic acid (CAS 354557-58-7)
- Piperidin-4-yl(thiophen-2-yl)methanone (CAS 86542-98-5)
- Methyl (2R)-2-amino-2-(4-bromophenyl)acetate HCl (CAS 1391389-21-1)
- Budesonide impurity 42 (CAS CATO-C4X-138942)
- 2-[4-(trifluoromethyl)-1H-pyrazol-1-yl]acetic acid (CAS 1341347-35-0)
- 5-(Furan-2-yl)-1h-pyrazole-3-carbohydrazide (CAS 92352-24-4)
- Peptide Impurity 13 (CAS CATO-CPTD788813)
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