5-Bromo-2,3-difluoroanisole CAS 261762-35-0
| CAS No. | 261762-35-0 |
| Molecular Formula | C7H5BrF2O |
| Molecular Weight | 223.01 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 5-Bromo-2,3-difluoroanisole 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.
5-Bromo-2,3-difluoroanisole (CAS 261762-35-0) is a high-purity analytical reference standard with the molecular formula C7H5BrF2O and a molecular weight of 223.01 g/mol.
Based on its molecular formula C7H5BrF2O, 5-Bromo-2,3-difluoroanisole contains a hydroxyl group, an ether linkage, fluorine/bromine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 223.01 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.
Physical & Chemical Properties
| Molecular Formula | C7H5BrF2O |
| Molecular Weight | 223.01 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, water (slightly soluble) |
| 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.) | 2025 |
| Halogen Content | F/Br-containing |
Related Bromo Standards
- 4-Bromo-2,6-difluoroanisole (CAS 104197-14-0)
- 2-Bromo-1,1,1,3-tetrafluoro-3-methylbutane (CAS 1099598-06-7)
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- 2-Bromo-1,4-difluoro-3-methoxybenzene (CAS 1208076-11-2)
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Recommended Standards
- 4-Bromo-3,5-difluoroanisole (CAS 202865-61-0)
- 5-Bromo-2,3-difluorobenzene methanol (CAS 887585-71-9)
- 4-Bromo-2,3-difluoroanisole (CAS 406482-22-2)
- 5-Bromo-2,4-difluoro-3-methylphenol (CAS 2586126-00-1)
- 3-Methyl-1H-pyrazolo[3,4-d]pyrimidin-6-amine (CAS 1330755-87-7)
- 3-Methyl-1H-indole-5-carbaldehyde (CAS 3613-07-8)
- 1-[4-(Tetramethyl-1,3,2-dioxaborolan-2-yl)-3-(trifluoromethyl)phenyl]piperidin-2-one (CAS 2223045-95-0)
- 2-(2,3-Difluoro-4-methylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1116681-99-2)
- 5-(Chloromethyl)-1,2-oxazol-3-yl N-methylcarbamate (CAS 866154-16-7)
- rel-tert-Butyl (1R,3S)-1-((tert-butylsulfinyl)amino)-3-hydroxy-8-azaspiro[4.5]decane-8-carboxylate (CAS 2216742-12-8)
- CCT 241533 dihydrochloride (CAS 1962925-28-5)
- 5-(2,4-Dichlorophenyl)-1,3,4-oxathiazol-2-one (CAS 23589-75-5)
- 3-(2-Amino-5-bromophenoxy)propan-1-ol (CAS 1219728-72-9)
- (Gly1,Ser3·22,Gln?·3?,Thr?,Arg1?,Tyr21,Ala23·31,Aib32)-Pancreatic Polypeptide (human) (CAS 313988-89-5)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com