Ethyl 5-(bromomethyl)-1-benzofuran-2-carboxylate CAS 137997-18-3
| CAS No. | 137997-18-3 |
| Molecular Formula | C12H11BrO3 |
| Molecular Weight | 283.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
Ethyl 5-(bromomethyl)-1-benzofuran-2-carboxylate (CAS 137997-18-3), molecular formula C12H11BrO3 and molecular weight 283.12 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, Ethyl 5-(bromomethyl)-1-benzofuran-2-carboxylate (C12H11BrO3) contains a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 283.12 g/mol, it falls into the medium-molecular-weight range. 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).
CATO manufactures Ethyl 5-(bromomethyl)-1-benzofuran-2-carboxylate 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 | C12H11BrO3 |
| Molecular Weight | 283.12 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
| Halogen Content | Br-containing |
Related Ethyl Standards
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- Ethyl 2-(bromomethyl)-1H-benzo[d]imidazole-1-carboxylate (CAS 301684-46-8)
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Recommended Standards
- 7-Bromo-2-isopropyl-1H-benzo[d]imidazole-5-carboxylic acid (CAS 1378260-96-8)
- 4-(7-Bromo-[1,2,4]triazolo[1,5-a]pyridin-2-yl)morpholine (CAS 1380331-16-7)
- Methyl 1-(4-bromophenyl)-3-oxocyclobutane-1-carboxylate (CAS 1364663-42-2)
- 3-Bromo-1-(4-methylphenyl)-4,5-dihydro-1h-pyrazole-5-carboxylic acid (CAS 1384428-61-8)
- 2-Amino-3-(5-methyl-2-(trifluoromethyl)phenyl)propanoic acid (CAS 1256482-64-0)
- 3-Aminoquinoxaline-2-carbaldehyde (CAS 67570-54-1)
- N-((1-(2-Chloroacetyl)pyrrolidin-3-yl)methyl)-N-ethylacetamide (CAS 1353952-22-3)
- 1-Bromo-3-isopropoxy-5-(trifluoromethyl)benzene (CAS 1369784-85-9)
- 1-Fluoro-3-phenylbicyclo[1.1.1]Pentane (CAS 146038-61-1)
- N-Phenyl-4-(pyridin-3-yl)aniline (CAS 1448787-63-0)
- 5-Bromo-2-(3,5-dichlorophenyl)-2H-1,2,3-triazole-4-carboxylic acid (CAS 1707576-39-3)
- (1R,4S,5R,6R)-6-(methoxycarbonyl)spiro[bicyclo[2.2.1]Heptane-7,1'-cyclopropan]-2-ene-5-carboxylic acid (CAS 1256276-85-3)
- 1-(4-Methylphenyl)-3-(1-(4-methoxynaphthalenyl))-1-propanone 1391054-19-5 (CAS 1391054-19-5)
- Peptide Impurity 41 (CAS CATO-CPTD788841)
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