Methyl 5-bromo-2,3-difluoro-4-methoxybenzoate CAS 2091796-40-4
| CAS No. | 2091796-40-4 |
| Molecular Formula | C9H7BrF2O3 |
| Molecular Weight | 281.05 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of Methyl 5-bromo-2,3-difluoro-4-methoxybenzoate is closely related to a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine/bromine substitution, an aromatic ring system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
Methyl 5-bromo-2,3-difluoro-4-methoxybenzoate (CAS 2091796-40-4), molecular formula C9H7BrF2O3 and molecular weight 281.05 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine/bromine substitution, an aromatic ring system, Methyl 5-bromo-2,3-difluoro-4-methoxybenzoate is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 281.05 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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 Methyl 5-bromo-2,3-difluoro-4-methoxybenzoate 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 | C9H7BrF2O3 |
| Molecular Weight | 281.05 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.) | 1997 |
| Halogen Content | F/Br-containing |
Related Methyl Standards
- Methyl 5-bromo-2-(difluoromethoxy)benzoate (CAS 1131587-78-4)
- 4-Bromo-3-(2,2-difluoroethoxy)benzoic acid (CAS 1255707-61-9)
- Methyl 4-bromo-3-(difluoromethoxy)benzoate (CAS 1331943-86-2)
- 3-Bromo-4-(2,2-difluoroethoxy)benzoic acid (CAS 1339780-72-1)
- 5-Bromo-2-(difluoromethoxy)benzohydrazide (CAS 1403565-82-1)
- 2-(3-Bromo-5,6-difluoro-2-methoxyphenyl)acetic acid (CAS 1889215-54-6)
- 2-(4-Bromo-2-(difluoromethoxy)phenyl)acetic acid (CAS 2251715-10-1)
- 2-(4-Bromo-3-methoxyphenyl)-2,2-difluoroacetic acid (CAS 2228694-85-5)
Recommended Standards
- Methyl 4-bromo-2-(difluoromethoxy)benzoate (CAS 553672-24-5)
- 6,7-Dichloro-2-methyl-3-trifluoromethylquinoxaline (CAS 143309-87-9)
- Methyl 3-bromo-5-(difluoromethyl)-2-hydroxybenzoate (CAS 2091144-56-6)
- 8-(3-(Difluoromethyl)phenyl)-4-methyl-2-methylene-6-oxohexahydro-[1,3,2]oxazaborolo[2,3-b][1,3,2]oxazaborol-4-ium-8-uide (CAS 1704703-80-9)
- N4-Cyclopropyl-N6,N6-dimethylpyrimidine-4,6-diamine (CAS 1353987-43-5)
- 32074-56-9 3N6TP86M5J Diethyl citrate Diethyl hydrogen 2-hydroxypropane-1,2,3-tricarboxylate EINECS 250-914-0 UNII-3N6TP86M5J (CAS 32074-56-9)
- 2-(4-phenyl-1H-pyrazol-1-yl)cyclobutane-1-carboxylic acid (CAS 1509418-55-6)
- Cyclobutyl(5-fluoropyridin-3-yl)methanone (CAS 1467327-19-0)
- 6-(Dimethylamino)benzo[e][1,2,4]triazine-3-carboxylic acid (CAS 1239734-53-2)
- Ethyl 4-formyl-1-methyl-1H-imidazole-5-carboxylate (CAS 2111324-86-6)
- 2-[(3S)-6-Chloro-8-methoxy-1H,2H,3H,4H-pyrido[2,3-b]pyrazin-3-yl]ethan-1-ol (CAS 1638604-08-6)
- N1-(quinolin-2-yl)ethane-1,2-diamine (CAS 137583-04-1)
- 2-(4-Fluorophenyl)-2-methoxyacetic acid (CAS 2340-00-3)
- Semaglutide Impurity 123 (CAS 71997-93-8)
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