2-Bromo-1-(4-chlorophenyl)-2-phenylethanone CAS 1889-78-7
| CAS No. | 1889-78-7 |
| Molecular Formula | C14H10BrClO |
| Molecular Weight | 309.59 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C14H10BrClO, 2-Bromo-1-(4-chlorophenyl)-2-phenylethanone contains a hydroxyl group, an ether linkage, chlorine/bromine substitution, a polycyclic aromatic system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 309.59 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).
2-Bromo-1-(4-chlorophenyl)-2-phenylethanone (CAS 1889-78-7), molecular formula C14H10BrClO and molecular weight 309.59 g/mol, is a CATO reference standard with documented purity and traceability.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C14H10BrClO |
| Molecular Weight | 309.59 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | Cl/Br-containing |
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Recommended Standards
- (2-Bromophenyl)(4-chloro-3-methylphenyl)methanone (CAS 951891-12-6)
- 3-Chloro-4-(1,1,2-trifluoro-2-(trifluoromethoxy)ethoxy)aniline (CAS 116714-47-7)
- (3-Bromophenyl)(3-chloro-4-methylphenyl)methanone (CAS 951890-88-3)
- 4,7-Dichloro-2-(4-chloro-phenyl)-quinazoline (CAS 885277-72-5)
- Methyl 5-(2-methoxy-2-oxoethyl)-1-(4-(trifluoromethyl)phenyl)-1H-1,2,3-triazole-4-carboxylate (CAS 303995-96-2)
- Potassium furan-2-carboxylate (CAS 20842-02-8)
- 4-Bromo-1-(1-methylcyclopropyl)-1H-pyrazole (CAS 1628214-21-0)
- 3,3-Difluorotetrahydro-2H-pyran-4-carboxylic acid (CAS 1504681-05-3)
- 1-(4-Butoxyphenyl)-2,2,2-trifluoroethan-1-one (CAS 159835-77-5)
- 4-Bromo-3-(difluoromethyl)pyridine-2,5-diol (CAS 1805282-51-2)
- 2-cis-Hydroxymethyl-4-trans-phenyl-1-cyclohexylamine (CAS 195190-88-6)
- Warfarin impurity 13 (CAS CATO-C4X-17813)
- 1342479-17-7 (1-Cyclopropyl-2-piperidin-1-ylethyl)methylamine MFCD19604677 (CAS 1342479-17-7)
- Tau Peptide (268-282) trifluoroacetate salt (CAS 330456-37-6)
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