Ethyl 4-bromothiophene-2-carboxylate CAS 62224-17-3
| CAS No. | 62224-17-3 |
| Molecular Formula | C7H7BrO2S |
| Molecular Weight | 235.10 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 4-bromothiophene-2-carboxylate (CAS 62224-17-3) is a high-purity analytical reference standard with the molecular formula C7H7BrO2S and a molecular weight of 235.10 g/mol.
Based on its molecular formula C7H7BrO2S, Ethyl 4-bromothiophene-2-carboxylate contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 235.10 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).
As a certified reference material (CRM), Ethyl 4-bromothiophene-2-carboxylate meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C7H7BrO2S |
| Molecular Weight | 235.10 g/mol |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1974 |
| Halogen Content | Br-containing |
| Sulfur Atoms | 1 |
Related Ethyl Standards
- Ethyl 5-Bromothiophene-3-carboxylate (CAS 170355-38-1)
- Ethyl 3-bromothiophene-2-carboxylate (CAS 62224-14-0)
- Ethyl 4-bromothiophene-3-carboxylate (CAS 224449-33-6)
- Ethyl 5-Bromothiophene-2-carboxylate (CAS 5751-83-7)
- 5-Bromothiophene 2-Oxoacetic Acid (CAS 22098-18-6)
- ethyl 2-bromothiophene-3-carboxylate (CAS 632325-50-9)
- 3-Bromothiophene-2-sulfonamide (CAS 856352-92-6)
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Recommended Standards
- 5-Bromo-6-methyl-2-(methylthio)pyrimidin-4(3H)-one (CAS 33238-63-0)
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- methyl 2-(2-bromothiophen-3-yl)acetate (CAS 683251-61-8)
- 5-Bromo-4-hydrazinyl-2-(methylthio)pyrimidine (CAS 875-96-7)
- N-Hydroxymephentermine (CAS 58670-93-2)
- 6-Amino-5-chloropyridine-3-carboxamide (CAS 1221724-36-2)
- 1-methyl-6-oxo-1,6-dihydropyridine-3-carbaldehyde (CAS 98279-50-6)
- N-(2-bromobenzyl)-2-methylpropan-2-amine (CAS 356531-35-6)
- (Tert-butoxycarbonyl)-D-valyl-L-phenylalanine (CAS 116480-86-5)
- Tert-butyl 3-methyl-2,4,5,7-tetrahydro-6H-pyrazolo[3,4-c]pyridine-6-carboxylate (CAS 1824066-73-0)
- Benzyl (2-(1,4-dioxaspiro[4.5]Decan-8-yl)ethyl)carbamate (CAS 2383887-08-7)
- 5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-2-(thiophen-3-yl)thiazole (CAS 1402166-58-8)
- 5-Aminobenzofuran-2-carboxamide (CAS 1026097-14-2)
- Semaglutide impurity 93 (CAS CATO-C4X-222693)
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