1,3-dibromo-4-fluoro-2-methylbenzene CAS 1782330-95-3
| CAS No. | 1782330-95-3 |
| Molecular Formula | C7H5Br2F |
| Molecular Weight | 267.92 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
CATO supplies 1,3-dibromo-4-fluoro-2-methylbenzene (CAS 1782330-95-3), a certified reference material (molecular formula C7H5Br2F, MW 267.92 g/mol) for analytical method development and quality control.
Based on its molecular formula C7H5Br2F, 1,3-dibromo-4-fluoro-2-methylbenzene contains fluorine/bromine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 267.92 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), 1,3-dibromo-4-fluoro-2-methylbenzene 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 | C7H5Br2F |
| Molecular Weight | 267.92 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | ≥95% |
| 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.) | 1994 |
| Halogen Content | F/Br-containing |
Related dibromo Standards
- 3,4-Dibromo-5-fluorotoluene (CAS 1000576-19-1)
- 1,4-Dibromo-2-fluoro-3-methylbenzene (CAS 1000576-44-2)
- 1,2-Dibromo-5-fluoro-3-methylbenzene (CAS 1000576-64-6)
- 2,5-Dibromo-4-fluorotoluene (CAS 134332-29-9)
- 1,3-Dibromo-2-fluoro-4-methylbenzene (CAS 1356114-00-5)
- 1,2-Dibromo-3-fluoro-4-methylbenzene (CAS 1500635-65-3)
- 2,4-Dibromo-1-(fluoromethyl)benzene (CAS 1780254-42-3)
- [Dibromo(fluoro)methyl]benzene (CAS 772339-79-4)
Recommended Standards
- 5-Bromo-2-fluorobenzyl Bromide (CAS 99725-12-9)
- 2-Bromo-5-fluorobenzyl Bromide (CAS 112399-50-5)
- 4-Bromo-2-fluorobenzyl Bromide (CAS 76283-09-5)
- 2,4,6,7-Tetrachloroquinazoline (CAS 1219456-89-9)
- (4-Thiazol-2-yl-phenyl)-methanol (CAS 454678-91-2)
- Methyl 4-(1-(2-(diethylamino)ethyl)-3-(3-fluoro-4-methylbenzoyl)-4-hydroxy-5-oxo-2,5-dihydro-1H-pyrrol-2-yl)benzoate (CAS 618074-17-2)
- 4-Chloro-3-cyclopropoxypicolinic acid (CAS 1243387-33-8)
- 4-(2-aminoethyl)benzenesulfonylfluoride (CAS 34284-75-8)
- N-Carboxybenzyl-L-allothreonine Methyl Ester (CAS 98777-34-5)
- 4-(3-Nitrophenyl)-1,2,3-thiadiazole (CAS 77414-51-8)
- (S)-2-(8-(Tert-butoxycarbonyl)-1-oxo-2,8-diazaspiro[4.5]decan-2-yl)-3-methylbutanoic acid (CAS 2641826-14-2)
- (3,5-Difluorobenzyl)(3,5-difluorophenyl)sulfane (CAS 1443327-87-4)
- 5-Methylthiophene-3-carbonitrile (CAS 41727-33-7)
- Endo-Gly29-Tirzepatide (CAS CATO-CPTD788685)
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