4-Bromo-2-fluoro-1-(3,3,3-trifluoroprop-1-yn-1-yl)benzene CAS 2137951-06-3
| CAS No. | 2137951-06-3 |
| Molecular Formula | C9H3BrF4 |
| Molecular Weight | 267.02 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
4-Bromo-2-fluoro-1-(3,3,3-trifluoroprop-1-yn-1-yl)benzene (CAS 2137951-06-3), molecular formula C9H3BrF4 and molecular weight 267.02 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C9H3BrF4, 4-Bromo-2-fluoro-1-(3,3,3-trifluoroprop-1-yn-1-yl)benzene contains fluorine/bromine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 267.02 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
As a certified reference material (CRM), 4-Bromo-2-fluoro-1-(3,3,3-trifluoroprop-1-yn-1-yl)benzene 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 | C9H3BrF4 |
| Molecular Weight | 267.02 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1997 |
| Halogen Content | F/Br-containing |
Related Bromo Standards
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Recommended Standards
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- Pepstatin A (CAS 26305-03-3)
- 3-Methoxy-1-nitrosopyrrolidine (CAS 61467-70-7)
- 5-Chloro-2-methylpent-2-ene (CAS 7712-60-9)
- 3-(2-Methoxyphenyl)propanenitrile (CAS 145851-06-5)
- (9H-Fluoren-9-yl)methyl (6-hydroxyhexyl)carbamate (CAS 127903-20-2)
- 2834-23-3 Chlorodifluoroacetic anhydride Acetic acid, 2-chloro-2,2-difluoro-, 1,1'-anhydride Acetic acid, chlorodifluoro-, anhydride EINECS 220-603-4 (CAS 2834-23-3)
- 2,6-Difluoro-3-propoxybenzaldehyde (CAS 2484888-92-6)
- Peptide Impurity 28 (CAS 1350456-64-2)
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