(Benzo[d][1,3]dioxol-5-yl(hydroxy)methyl)diphenylphosphine oxide CAS 5255-64-1
| CAS No. | 5255-64-1 |
| Molecular Formula | C20H17O4P |
| Molecular Weight | 352.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 352.32 g/mol gives (Benzo[d][1,3]dioxol-5-yl(hydroxy)methyl)diphenylphosphine oxide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
(Benzo[d][1,3]dioxol-5-yl(hydroxy)methyl)diphenylphosphine oxide (CAS 5255-64-1) is a high-purity analytical reference standard with the molecular formula C20H17O4P and a molecular weight of 352.32 g/mol.
The molecular framework of (Benzo[d][1,3]dioxol-5-yl(hydroxy)methyl)diphenylphosphine oxide (C20H17O4P) is characterized by a flavonoid core, a phosphate ester group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by its high hydrophobicity (logP), which provides a practical basis for HPLC-UV/DAD or LC-MS method development. 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 (Benzo[d][1,3]dioxol-5-yl(hydroxy)methyl)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 | C20H17O4P |
| Molecular Weight | 352.32 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| 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) | 12.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
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Recommended Standards
- 5-{3-[(3-fluorophenyl)methyl]-1,2,4-oxadiazol-5-yl}-3-(4-methoxyphenyl)-1,2,4-oxadiazole (CAS 1775330-71-6)
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- Afoxolaner Impurity 1 (CAS 1125812-54-5)
- 4-[(2-methoxy-5-nitrophenyl)sulfamoyl]benzoic acid (CAS 519152-08-0)
- 4-(Aminomethyl)thiophene-2-carboxylic acid (CAS 857999-84-9)
- 2-(2-Chlorophenyl)-6-fluoro-4H-chromen-4-one (CAS 527751-46-8)
- 5-(4-Aminophenyl)-N-propyl-1,3,4-thiadiazol-2-amine (CAS 106346-54-7)
- (3-Methylpyridin-2-yl)(m-tolyl)methanone (CAS 1187165-28-1)
- Dibutyl (difluoromethane)phosphonate (CAS 681-83-4)
- 3-Isopropyl-6-(thiophen-2-yl)isoxazolo[5,4-b]pyridine-4-carboxylic acid (CAS 890600-31-4)
- 5-Chloro-7-methyl-1H-pyrrolo[3,2-b]pyridin-2(3H)-one (CAS 1190320-69-4)
- 2-((3-Cyano-4-(3,4-dimethoxyphenyl)-6-phenylpyridin-2-yl)thio)-N-(2,3-dimethylphenyl)acetamide (CAS 444152-23-2)
- 2-Chloro-1-(4-(1,1-dioxidotetrahydrothiophen-3-yl)piperazin-1-yl)ethan-1-one hydrochloride (CAS 1169979-35-4)
- Neuropeptide EI (human, mouse, rat) (CAS 125934-45-4)
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