2-Bromo-1-(difluoromethyl)-4-methylbenzene CAS 1261876-58-7
| CAS No. | 1261876-58-7 |
| Molecular Formula | C8H7BrF2 |
| Molecular Weight | 221.04 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 221.04 g/mol gives 2-Bromo-1-(difluoromethyl)-4-methylbenzene distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2-Bromo-1-(difluoromethyl)-4-methylbenzene (CAS 1261876-58-7), molecular formula C8H7BrF2 and molecular weight 221.04 g/mol, is a CATO reference standard with documented purity and traceability.
2-Bromo-1-(difluoromethyl)-4-methylbenzene (C8H7BrF2) contains fluorine/bromine substitution, an aromatic ring system. Halogen substitution raises its density and boiling point; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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.
CATO manufactures 2-Bromo-1-(difluoromethyl)-4-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 | C8H7BrF2 |
| Molecular Weight | 221.04 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
- (2-Bromo-1,1-difluoroethyl)benzene (CAS 108661-89-8)
- 1-(2-bromo-1-fluoroethyl)-4-fluorobenzene (CAS 118887-66-4)
- 5-Bromo-2-(difluoromethyl)toluene (CAS 1254034-33-7)
- 4-Bromo-3-(difluoromethyl)toluene (CAS 1261442-36-7)
- 2-Bromo-1-(difluoromethyl)-3-methylbenzene (CAS 1261552-75-3)
- 1-Bromo-4-(difluoromethyl)-2-methylbenzene (CAS 1261570-11-9)
- 2-Bromo-6-(difluoromethyl)toluene (CAS 1261609-97-5)
- 1-Bromo-2-(difluoromethyl)-3-methylbenzene (CAS 1261642-37-8)
Recommended Standards
- 2-Bromo-4-(difluoromethyl)-1-methylbenzene (CAS 1261849-91-5)
- 3-(Difluoromethyl)benzyl Bromide (CAS 1263178-51-3)
- Methyl 2,4-dichloro-3-hydroxybenzoate (CAS 129788-30-3)
- 1-(2-Bromoethyl)-2,3-difluorobenzene (CAS 126163-29-9)
- Ethyl 8-(3,5-difluorophenyl)-8-oxooctanoate (CAS 898752-46-0)
- N-Isobutylsorbamide (CAS 82240-09-3)
- 6-Ethyl-2-(3-methylphenyl)quinoline-4-carbonyl chloride (CAS 1160261-00-6)
- 3-Phenyl-1-oxa-2,4,8-triazaspiro[4.5]dec-2-ene (CAS 50349-54-7)
- 1346602-61-6 N~1~,N~4~-Bis{2-[3-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)propanamido]ethyl}-N~1~,N~4~-diphenylbutanediamide DTXSID20858409 (CAS 1346602-61-6)
- Tert-butyl 4-(pyrazin-2-ylamino)piperidine-1-carboxylate (CAS 301226-90-4)
- 2-(4-(Trifluoromethyl)phenyl)cyclohexan-1-amine (CAS 1375473-81-6)
- 2-Bromo-1-(4-iodophenyl)propan-1-one (CAS 31867-48-8)
- 3-Chloro-2-(pyridin-4-yl)-5-(trifluoromethyl)pyridine (CAS 1214370-11-2)
- Semaglutide impurity 267 (CAS CATO-C4X-2226267)
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