(4-Bromophenyl)diphenylphosphine CAS 734-59-8
| CAS No. | 734-59-8 |
| Molecular Formula | C18H14BrP |
| Molecular Weight | 341.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 341.18 g/mol gives (4-Bromophenyl)diphenylphosphine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies (4-Bromophenyl)diphenylphosphine (CAS 734-59-8), a certified reference material (molecular formula C18H14BrP, MW 341.18 g/mol) for analytical method development and quality control.
Structurally, (4-Bromophenyl)diphenylphosphine (C18H14BrP) contains organophosphorus functionality, bromine substitution, a polycyclic aromatic system. 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 341.18 g/mol, it falls into the moderately-high-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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 (4-Bromophenyl)diphenylphosphine 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 | C18H14BrP |
| Molecular Weight | 341.18 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| 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.) | 1957 |
| Halogen Content | Br-containing |
Related Bromophenyl Standards
- Ethyl 7-(4-bromophenyl)-4,7-dioxoheptanoate (CAS 1208318-08-4)
- 1-(4-Bromophenyl)-3-(ethoxycarbonyl)-4,5-dihydro-1h-pyrazole-5-carboxylic acid (CAS 1264041-06-6)
- 1-({[(3-bromophenyl)methyl]carbamoyl}amino)cyclopentane-1-carboxylic acid (CAS 954581-24-9)
- 1-(4-Bromophenyl)-3-(p-tolyl)-1H-pyrazole-4-carbaldehyde (CAS 618098-52-5)
- 3-(4-Bromophenyl)-1-(p-tolyl)-1H-pyrazole-4-carbaldehyde (CAS 618098-44-5)
- 3-(4-Bromophenyl)-1-methyl-5-phenylpyridazin-4(1H)-one (CAS 59591-36-5)
- (4E)-3-(4-Bromophenyl)-4-[2-(3-methylphenyl)hydrazin-1-ylidene]-4H-pyrazole (CAS 338414-37-2)
- 2-[(E)-2-[(4-Bromophenyl)methylidene]hydrazin-1-yl]-3-methylquinoxaline (CAS 463368-04-9)
Recommended Standards
- n-(3-Hydroxypropyl)-4-iodobenzenesulfonamide (CAS 881479-93-2)
- 2-Fluoro-N-(3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)benzamide (CAS 2246667-45-6)
- Diethyl (3-(2,4-dichlorophenoxy)propyl)phosphonate (CAS 6954-80-9)
- 3-Hydroxy-2,3-dimethylbutan-2-yl hydrogen (4-(3,4-difluorophenyl)thiazol-5-yl)boronate (CAS 2223042-09-7)
- 4-Acetyl-5-hydroxypicolinaldehyde (CAS 1393532-64-3)
- N-(1H-Imidazol-2-ylmethyl)cyclopropanamine dihydrochloride (CAS 920450-02-8)
- 1-Chloro-2-fluoro-6-iodobenzene (CAS 348642-49-9)
- 3-(1-(2-Methoxyphenyl)-1H-pyrrol-2-yl)-3-oxopropanenitrile (CAS 1403565-49-0)
- 4-amino-2-methyl-N-(pyrimidin-2-yl)benzene-1-sulfonamide (CAS 854634-29-0)
- 2-(Benzyloxy)ethyl Trifluoromethanesulfonate (CAS 126694-13-1)
- 1-Benzyl-1H-indole-5-carboxylic acid (CAS 1030423-92-7)
- 3-Oxoisoindoline-4-carbonitrile (CAS 129221-89-2)
- Phenethyl 3-hydroxybenzoate (CAS 99287-97-5)
- Semaglutide Impurity 115 (CAS CATO-C4X-2226115)
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