1-(4-Bromo-2-fluorophenyl)pentan-1-one CAS 1311197-91-7
| CAS No. | 1311197-91-7 |
| Molecular Formula | C11H12BrFO |
| Molecular Weight | 259.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 1-(4-Bromo-2-fluorophenyl)pentan-1-one is closely related to a hydroxyl group, an ether linkage, fluorine/bromine substitution, an aromatic ring system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
1-(4-Bromo-2-fluorophenyl)pentan-1-one (CAS 1311197-91-7) is a high-purity analytical reference standard with the molecular formula C11H12BrFO and a molecular weight of 259.11 g/mol.
Structurally, 1-(4-Bromo-2-fluorophenyl)pentan-1-one (C11H12BrFO) contains a hydroxyl group, an ether linkage, fluorine/bromine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 259.11 g/mol, it falls into the medium-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.
As a certified reference material (CRM), 1-(4-Bromo-2-fluorophenyl)pentan-1-one 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 | C11H12BrFO |
| Molecular Weight | 259.11 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | F/Br-containing |
Related Bromo Standards
- 2-Bromo-1-(cyclopentyloxy)-4-fluorobenzene (CAS 1016505-33-1)
- 3-(3-Bromo-4-fluorophenyl)-3-methylbutan-2-one (CAS 1239964-09-0)
- 1-(2-Bromo-5-fluorophenyl)pentan-2-one (CAS 1248072-66-3)
- 1-(4-Bromo-2-fluorophenyl)pentan-2-one (CAS 1249060-60-3)
- 1-(5-Bromo-2-fluorophenyl)pentan-1-one (CAS 1280786-93-7)
- 3-Bromo-5-t-butyl-2-fluorobenzaldehyde (CAS 1291487-24-5)
- 5-Bromo-1-(2-fluorophenyl)-2-pentanone (CAS 1373350-56-1)
- (1-(4-Bromo-3-fluorophenyl)cyclobutyl)methanol (CAS 1467061-89-7)
Recommended Standards
- 5-Methyl-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-5H-pyrrolo[2,3-b]pyrazine (CAS 1309978-88-8)
- 1-Methyl-1H-pyrazolo[3,4-b]pyridine-5-boronic Acid Pinacol Ester (CAS 1312312-78-9)
- 4-(Trifluoromethyl)phenylethyl bromide (CAS 130365-87-6)
- 3-Methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzo[d]isoxazole (CAS 1314136-00-9)
- (S)-Benzyl (1-(2-aminoethyl)pyrrolidin-3-yl)(methyl)carbamate (CAS 1354008-55-1)
- 5-(But-3-en-1-yloxy)pentanoic acid (CAS 1039945-25-9)
- tert-Butyl cis-4-[2-(9H-fluoren-9-ylmethoxycarbonyl-amino)ethyl]cyclohexylcarbamate (CAS 1212342-32-9)
- 4-Bromo-N-(2,4,5-trifluorophenyl)benzenesulfonamide (CAS 1480694-08-3)
- Lumefantrine Impurity 6 (CAS 355841-11-1)
- 2-(2-Ethylphenyl)thiazole-4-carbaldehyde (CAS 885279-53-8)
- 4-(2-Fluorophenyl)-1-methyl-1h-pyrazol-5-amine (CAS 1249829-92-2)
- N-(3-methoxypropyl)tetrahydro-2H-thiopyran-4-amine (CAS 1153148-38-9)
- Cevimeline Nitrobenzoate (CAS 1292815-90-7)
- Semaglutide impurity 70 (CAS CATO-C4X-222670)
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