1-Bromo-2,5-difluoro-3-(trifluoromethyl)benzene CAS 1807071-16-4
| CAS No. | 1807071-16-4 |
| Molecular Formula | C7H2BrF5 |
| Molecular Weight | 260.99 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-Bromo-2,5-difluoro-3-(trifluoromethyl)benzene (CAS 1807071-16-4), molecular formula C7H2BrF5 and molecular weight 260.99 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 1-Bromo-2,5-difluoro-3-(trifluoromethyl)benzene (C7H2BrF5) contains fluorine/bromine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 260.99 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.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), 1-Bromo-2,5-difluoro-3-(trifluoromethyl)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 | C7H2BrF5 |
| Molecular Weight | 260.99 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 methanol, acetonitrile, DMSO |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Halogen Content | F/Br-containing |
Related Bromo Standards
- 2-Bromo-1,5-difluoro-3-(trifluoromethyl)benzene (CAS 1099597-86-0)
- 1-Bromo-4,5-difluoro-2-(trifluoromethyl)benzene (CAS 112290-04-7)
- 2-Bromo-1,4-difluoro-3-(trifluoromethyl)benzene (CAS 1242339-93-0)
- 3-Bromo-2,6-difluorobenzotrifluoride (CAS 1263377-74-7)
- 2-Bromo-1,3-difluoro-4-(trifluoromethyl)benzene (CAS 1805023-67-9)
- 3-Bromo-4,5-difluorobenzotrifluoride (CAS 1805119-88-3)
- 1-Bromo-3,5-difluoro-2-(trifluoromethyl)benzene (CAS 1805523-62-9)
- 6-Bromo-1-(difluoromethyl)-2,3,4-trifluorobenzene (CAS 1823550-05-5)
Recommended Standards
- 1-Bromo-2,3-difluoro-4-(trifluoromethyl)benzene (CAS 247220-84-4)
- 1-Bromo-2,4-difluoro-5-(trifluoromethyl)benzene (CAS 261945-71-5)
- 3,5-Difluoro-4-trifluoromethylbromobenzene (CAS 156243-64-0)
- 1-Bromo-2,5-difluoro-4-(trifluoromethyl)benzene (CAS 261945-75-9)
- 4-((3-(Trifluoromethyl)phenyl)thio)-5,6-dihydro-4H-thieno[2,3-b]thiopyran 7,7-dioxide (CAS 339019-18-0)
- Benzyl (2-(ethyl(2-hydroxyethyl)amino)cyclohexyl)carbamate (CAS 1353981-48-2)
- Ethyl (1R,2S)-2-(boc-amino)cyclopentanecarboxylate (CAS 1140972-29-7)
- 2-(dimethylamino)ethane-1-sulfonamide (CAS 71365-70-3)
- 7-bromo-4,6,8-trichloroquinazoline (CAS 1698027-57-4)
- 1-propionylindoline (CAS 56857-92-2)
- (R)-1-((R)-1-Phenylethyl)-2-(trifluoromethyl)-2,3-dihydropyridin-4(1H)-one (CAS 577692-44-5)
- Ivabradine Impurity 21 (CAS 1235547-07-5)
- 1-Methyl-1,2,3,4-tetrahydroquinoline-6-sulfonic acid (CAS 947499-00-5)
- β-Bag Cell Peptide (Aplysia californica) (CAS 109024-47-7)
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