2-Bromo-3-fluoro-1-methoxy-4-methylbenzene CAS 1783385-98-7
| CAS No. | 1783385-98-7 |
| Molecular Formula | C8H8BrFO |
| Molecular Weight | 219.05 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
2-Bromo-3-fluoro-1-methoxy-4-methylbenzene (CAS 1783385-98-7), molecular formula C8H8BrFO and molecular weight 219.05 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2-Bromo-3-fluoro-1-methoxy-4-methylbenzene (C8H8BrFO) contains a hydroxyl group, an ether linkage, fluorine/bromine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 219.05 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C8H8BrFO |
| Molecular Weight | 219.05 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.) | 1994 |
| Halogen Content | F/Br-containing |
Related Bromo Standards
- (2-Bromo-5-fluorobenzyl)hydrazine (CAS 1016529-00-2)
- (5-Bromo-2-fluorobenzyl)hydrazine (CAS 1016699-41-4)
- (1s)-1-(4-Bromo-2-fluorophenyl)ethan-1-ol (CAS 1026088-11-8)
- 1-Bromo-4-ethoxy-2-fluorobenzene (CAS 107713-66-6)
- (R)-2-Bromo-1-(4-fluorophenyl)ethanol (CAS 1097211-38-5)
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- 5-Bromo-2-fluoro-3-methylbenzyl alcohol (CAS 1197944-22-1)
Recommended Standards
- 1-Bromo-4-fluoro-2-methoxy-3-methylbenzene (CAS 1783385-83-0)
- 1-(3-Bromophenyl)-2-fluoroethan-1-ol (CAS 1784354-70-6)
- 2-(4-Bromophenyl)-2-fluoroethan-1-ol (CAS 1781801-90-8)
- 1-Bromo-2-fluoro-5-methoxy-4-methylbenzene (CAS 1785363-64-5)
- 7,7-dimethyl-2-azabicyclo[4.1.1]octane (CAS 1824544-73-1)
- N-[1-(2-fluorophenyl)-2-oxopropyl]-acetamide (CAS 186036-07-7)
- 5,6,7,8-Tetrahydropyrido[3,2-d]pyrimidine-2,4(1H,3H)-dione (CAS 82933-86-6)
- 2-(4-Methoxyphenyl)hexahydropyrrolo[3,4-c]pyrrol-1(2H)-one (CAS 2096987-47-0)
- Glucagon (19-29) (human, rat, porcine) (CAS 64790-15-4)
- tert-butyl N-[(3aS,7aS)-octahydropyrano[3,4-c]pyrrol-3a-yl]carbamate (CAS 1037368-68-5)
- 2-Amino-2-(2,4-dimethoxyphenyl)ethanol oxalate (CAS 1177350-11-6)
- 1-(2-Chlorophenyl)-4-piperidone (CAS 115012-47-0)
- Homovanillic acid (CAS 306-08-1)
- Semaglutide impurity 44 (CAS CATO-C4X-222644)
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