Methyl 3-bromo-5-fluoro-4-methoxybenzoate CAS 1195945-54-0
| CAS No. | 1195945-54-0 |
| Molecular Formula | C9H8BrFO3 |
| Molecular Weight | 263.06 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C9H8BrFO3, Methyl 3-bromo-5-fluoro-4-methoxybenzoate contains a carboxylic acid group, 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 263.06 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).
Methyl 3-bromo-5-fluoro-4-methoxybenzoate (CAS 1195945-54-0) is a high-purity analytical reference standard with the molecular formula C9H8BrFO3 and a molecular weight of 263.06 g/mol.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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 | C9H8BrFO3 |
| Molecular Weight | 263.06 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Halogen Content | F/Br-containing |
Related Methyl Standards
- methyl 2-bromo-4-fluoro-5-methoxybenzoate (CAS 1007455-22-2)
- Methyl 6-bromo-2-fluoro-3-methoxybenzoate (CAS 1007455-28-8)
- 2-Bromo-1-(2-fluoro-4-hydroxy-5-methoxyphenyl)ethan-1-one (CAS 1065076-50-7)
- Methyl 4-bromo-5-fluoro-2-methoxybenzoate (CAS 1084953-18-3)
- 2-(4-Bromo-2-fluorophenoxy)acetohydrazide (CAS 1098341-68-4)
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- Methyl 2-(4-bromo-2-fluorophenyl)-2-hydroxyacetate (CAS 1248311-96-7)
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Recommended Standards
- 3-(5-Bromo-2-fluorophenyl)-3-hydroxypropanoic acid (CAS 1249004-30-5)
- 3-(4-Bromo-2-fluorophenyl)-3-hydroxypropanoic acid (CAS 1250925-50-8)
- 2,6-Dichloro-4-((trifluoromethyl)thio)phenol (CAS 102794-04-7)
- 4-Bromo-N-ethyl-5-fluoro-2-nitroaniline (CAS 1261901-27-2)
- 2,3,4-Trichloro-N-{1-[(4-methoxyphenyl)methyl]-5,6-dimethyl-1H-1,3-benzodiazol-4-yl}benzene-1-sulfonamide (CAS 338954-99-7)
- 1,3,3,4,4-Pentamethyl-2-acetyl-1-cyclopentene (CAS 13144-88-2)
- 2-Hydroxy-1,4-Naphthoquinone (CAS 83-72-7)
- 1-Acetyl-2-thioxo-6-(trifluoromethyl)-2,3-dihydropyrimidin-4(1H)-one (CAS 88191-90-6)
- 1-(2,4-Dichlorophenyl)pyrrolidin-3-amine (CAS 1184048-92-7)
- 3-(4-Methoxy-6-methyl-1,3,5-triazin-2-yl)-1-(4-methylbenzenesulfonyl)urea (CAS 125069-22-9)
- 5-Chloro-1H-benzo[d][1,3]oxazin-2(4H)-one (CAS 1780907-91-6)
- tert-Butyl 3-(hydroxymethyl)-1-methyl-4,5-dihydro-1H-pyrazolo[3,4-c]pyridine-6(7H)-carboxylate (CAS 1330763-84-2)
- ethyl 2-methyl-3-(pyridin-3-yl)prop-2-enoate (CAS 172656-39-2)
- Tirzepatide Impurity 46 (CAS CATO-C4X-324046)
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