2-Bromo-3,6-difluorotoluene CAS 1208074-75-2
| CAS No. | 1208074-75-2 |
| Molecular Formula | C7H5BrF2 |
| Molecular Weight | 207.02 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 2-Bromo-3,6-difluorotoluene is closely related to fluorine/bromine substitution, an aromatic ring system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
2-Bromo-3,6-difluorotoluene (CAS 1208074-75-2) is a high-purity analytical reference standard with the molecular formula C7H5BrF2 and a molecular weight of 207.02 g/mol.
Based on its molecular formula C7H5BrF2, 2-Bromo-3,6-difluorotoluene contains fluorine/bromine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 207.02 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.
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), 2-Bromo-3,6-difluorotoluene 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 | C7H5BrF2 |
| Molecular Weight | 207.02 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.) | 1990 |
| Halogen Content | F/Br-containing |
Related Bromo Standards
- 3-Bromo-4,5-difluorotoluene (CAS 1143502-74-2)
- 5-Bromo-1,2-difluoro-3-methylbenzene (CAS 1143502-75-3)
- 1-Bromo-2,5-difluoro-3-methylbenzene (CAS 1416354-32-9)
- 5-Bromo-2,4-difluorotoluene (CAS 159277-47-1)
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- 1-Bromo-3,5-difluoro-2-methylbenzene (CAS 1783551-12-1)
Recommended Standards
- 2,4-Dichloropyrimidine-5-carbohydrazide (CAS 1379317-74-4)
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- 3,6-Dichloro-2-Hydroxy Benzoic Acid (CAS 3401-80-7)
- Dicloran (CAS 99-30-9)
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- 2-Chloro-5-(piperazin-1-yl)pyrimidine (CAS 307973-28-0)
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- Vuf 10148 (CAS 1001065-53-7)
- 2-(Pyrrolidin-2-yl)-4-[2-(trifluoromethyl)phenyl]-1H-imidazole (CAS 1153102-23-8)
- 4-Methyl-6-(thiophen-3-yl)pyrimidin-2-amine (CAS 885950-01-6)
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