1-(3-Bromo-4-chlorophenyl)butan-1-one CAS 1280786-91-5
| CAS No. | 1280786-91-5 |
| Molecular Formula | C10H10BrClO |
| Molecular Weight | 261.54 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 261.54 g/mol gives 1-(3-Bromo-4-chlorophenyl)butan-1-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 1-(3-Bromo-4-chlorophenyl)butan-1-one (CAS 1280786-91-5), a certified reference material (molecular formula C10H10BrClO, MW 261.54 g/mol) for analytical method development and quality control.
Owing to a hydroxyl group, an ether linkage, chlorine/bromine substitution, an aromatic ring system, 1-(3-Bromo-4-chlorophenyl)butan-1-one is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 261.54 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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), 1-(3-Bromo-4-chlorophenyl)butan-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 | C10H10BrClO |
| Molecular Weight | 261.54 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| 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 | Cl/Br-containing |
Related Bromo Standards
- 2-Bromo-1-(4-chlorophenyl)butan-1-one (CAS 1011-26-3)
- 4-Bromo-3-thiophenesulfonyl Chloride, Technical grade (CAS 111283-90-0)
- 3-Bromo-4-(3-chlorophenyl)butan-2-one (CAS 1200399-04-7)
- 1-(4-bromo-2,5-dimethylphenyl)-2-chloroethan-1-one (CAS 1344243-82-8)
- 4-Bromo-2-chloro-1-(cyclopropylmethoxy)benzene (CAS 1369869-79-3)
- 4-Bromo-1-chloro-2-cyclopropylmethoxybenzene (CAS 1369951-49-4)
- 1-Bromo-4-(4-chlorophenyl)butan-2-one (CAS 143327-55-3)
- 4-Bromo-1-(4-chlorophenyl)butan-1-one (CAS 156092-12-5)
Recommended Standards
- 2-(4-Bromophenyl)-2-methylpropanoyl chloride (CAS 1040860-77-2)
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Why CATO?
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