4-Bromo-3-(3,4-dimethylphenyl)-3-fluoropropiophenone CAS 898779-50-5
| CAS No. | 898779-50-5 |
| Molecular Formula | C17H16BrFO |
| Molecular Weight | 335.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 4-Bromo-3-(3,4-dimethylphenyl)-3-fluoropropiophenone is closely related to a steroid core, a hydroxyl group, an ether linkage, fluorine/bromine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
4-Bromo-3-(3,4-dimethylphenyl)-3-fluoropropiophenone (CAS 898779-50-5) is a high-purity analytical reference standard with the molecular formula C17H16BrFO and a molecular weight of 335.21 g/mol.
Structurally, 4-Bromo-3-(3,4-dimethylphenyl)-3-fluoropropiophenone (C17H16BrFO) contains a steroid core, a hydroxyl group, an ether linkage, fluorine/bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 335.21 g/mol, it falls into the moderately-high-molecular-weight range. 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.
As a certified reference material (CRM), 4-Bromo-3-(3,4-dimethylphenyl)-3-fluoropropiophenone meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C17H16BrFO |
| Molecular Weight | 335.21 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.) | 1987 |
| Halogen Content | F/Br-containing |
Related Bromo Standards
- 5-Bromo-6-(4-fluorobenzyl)-3,3-dimethyl-2,3-dihydro-1H-pyrrolo[3,2-b]pyridine (CAS 1799327-37-9)
- 1-(4-Bromo-2-fluorophenyl)-3-(2,4-dimethylphenyl)propan-1-one (CAS 898794-36-0)
- 1-(4-Bromo-2-fluorophenyl)-3-(2,5-dimethylphenyl)propan-1-one (CAS 898753-88-3)
- 3'-bromo-3-(2,6-dimethylphenyl)propiophenone (CAS 898754-79-5)
- 4-Bromo-3-(2,3-dimethylphenyl)-2-fluoropropiophenone (CAS 898793-13-0)
- 4-Bromo-3-(2,3-dimethylphenyl)-3-fluoropropiophenone (CAS 898792-89-7)
- 4-Bromo-3-(2,4-dimethylphenyl)-3-fluoropropiophenone (CAS 898794-20-2)
- 4-Bromo-3-(2,5-dimethylphenyl)-3-fluoropropiophenone (CAS 898753-66-7)
Recommended Standards
- 4-Bromo-3-(3,4-dimethylphenyl)-2-fluoropropiophenone (CAS 898779-67-4)
- 4-Bromo-3-(3,5-dimethylphenyl)-2-fluoropropiophenone (CAS 898780-90-0)
- 4-Bromo-3-(2,6-dimethylphenyl)-3-fluoropropiophenone (CAS 898754-94-4)
- 4-Bromo-3-(3,5-dimethylphenyl)-3-fluoropropiophenone (CAS 898780-74-0)
- 1-Cyclobutyl-6-methyl-4-oxo-1,4-dihydropyridine-3-carboxylic acid (CAS 1569650-04-9)
- (E)-3-(4-(diethylamino)phenyl)acrylic acid 4-(N,N-Diethylamino)cinnamic acid 78776-25-7 (CAS 78776-25-7)
- methyl (E)-4-(dimethylamino)but-2-enoate (CAS 212776-19-7)
- 5-(3-Bromo-2-methylphenyl)-1,2,4-oxadiazole-3-carboxylic acid (CAS 1494839-02-9)
- n-(Tetrahydro-2h-pyran-4-yl)piperidin-4-amine dihydrochloride (CAS 1349114-39-1)
- tert-Butyl (4-bromo-2-chlorophenyl)carbamate (CAS 330794-09-7)
- 2-{[1-(5-bromothiophen-2-yl)ethyl]amino}butan-1-ol (CAS 1184290-23-0)
- 1-Cyclohexyl-2-(trifluoromethyl)benzene (CAS 13376-27-7)
- 4-{[(3-Methyl-2-butenyl)oxy]methyl}piperidinehydrochloride (CAS 1185178-18-0)
- Semaglutide impurity 107 (CAS CATO-C4X-2226107)
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