5-Bromo-1,2-difluoro-3-methylbenzene CAS 1143502-75-3
| CAS No. | 1143502-75-3 |
| Molecular Formula | C7H5BrF2 |
| Molecular Weight | 207.02 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 207.02 g/mol gives 5-Bromo-1,2-difluoro-3-methylbenzene distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
5-Bromo-1,2-difluoro-3-methylbenzene (CAS 1143502-75-3), molecular formula C7H5BrF2 and molecular weight 207.02 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C7H5BrF2, 5-Bromo-1,2-difluoro-3-methylbenzene 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. 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.
CATO manufactures 5-Bromo-1,2-difluoro-3-methylbenzene under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
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.) | 1989 |
| Halogen Content | F/Br-containing |
Related Bromo Standards
- 3-Bromo-4,5-difluorotoluene (CAS 1143502-74-2)
- 2-Bromo-3,6-difluorotoluene (CAS 1208074-75-2)
- 1-Bromo-2,5-difluoro-3-methylbenzene (CAS 1416354-32-9)
- 5-Bromo-2,4-difluorotoluene (CAS 159277-47-1)
- 1-Bromo-3-fluoro-5-(fluoromethyl)benzene (CAS 1715032-20-4)
- 1-Bromo-3-fluoro-2-(fluoromethyl)benzene (CAS 1782526-83-3)
- 2-Bromo-1-fluoro-4-(fluoromethyl)benzene (CAS 1783551-07-4)
- 1-Bromo-3,5-difluoro-2-methylbenzene (CAS 1783551-12-1)
Recommended Standards
- 3,6-Dichloro-2-Hydroxy Benzoic Acid (CAS 3401-80-7)
- 2,4-Dichloropyrimidine-5-carbohydrazide (CAS 1379317-74-4)
- Dicloran (CAS 99-30-9)
- 4-Amino-2,6-dichloropyrimidine-5-carboxamide (CAS 1388816-81-6)
- 4-Nitrophenyl (1,1,1-trifluoro-2-methylpropan-2-yl) carbonate (CAS 1098184-18-9)
- (R)-Methyl 2-(((benzyloxy)carbonyl)amino)-2-(4-oxocyclohexyl)acetate (CAS 1384268-84-1)
- 2-Ethyl-5-methoxy-1H-benzo[d]imidazole (CAS 23073-50-9)
- N-(4-(4-chlorophenyl)thiazol-2-yl)-2-((4-methoxyphenyl)thio)acetamide (CAS 338966-03-3)
- Etoposide EP Impurity N (CAS CATO-C4X-202414)
- 7-(4-(4-(2,3-Dichlorophenyl)piperazin-1-yl)butoxy)-1-(hydroxymethyl)-3,4-dihydroquinolin-2(1H)-one (CAS 1259312-25-8)
- 1-Ethyl-3-thioxo-2,3,5,6,7,8-hexahydroisoquinoline-4-carbonitrile (CAS 95546-97-7)
- (R)-3-(4-(Trifluoromethyl)benzyl)piperazin-2-one (CAS 1240582-91-5)
- (3S)-7-Chloro-1-(5-chloro-4-methoxy-2-nitrophenyl)-6-fluoro-3-methyl-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole (CAS 1958821-59-4)
- Cycloaspeptide A (CAS 109171-13-3)
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