Ethyl 4,5-dibromothiophene-2-carboxylate CAS 62224-25-3
| CAS No. | 62224-25-3 |
| Molecular Formula | C7H6Br2O2S |
| Molecular Weight | 313.99 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, Ethyl 4,5-dibromothiophene-2-carboxylate (C7H6Br2O2S) contains a sulfone group, 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 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 313.99 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO supplies Ethyl 4,5-dibromothiophene-2-carboxylate (CAS 62224-25-3), a certified reference material (molecular formula C7H6Br2O2S, MW 313.99 g/mol) for analytical method development and quality control.
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.
CATO manufactures Ethyl 4,5-dibromothiophene-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 | C7H6Br2O2S |
| Molecular Weight | 313.99 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature |
| 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 3,4-dibromothiophene-2-carboxylate (CAS 153562-67-5)
- Ethyl 4,5-dibromothiophene-3-carboxylate (CAS 1823905-03-8)
- Ethyl 2,5-dibromothiophene-3-carboxylate (CAS 289470-44-6)
- Ethyl 3,5-dibromothiophene-2-carboxylate (CAS 62224-22-0)
- 2,5-Dibromothiophene-3-sulfonamide (CAS 7182-36-7)
- 4,5-Dibromothiophene-2-sulfonamide (CAS 77893-69-7)
- 4,5-Dibromothiophene-2-carbothioic O-acid (CAS 2484692-41-1)
- 25373-20-0 3,4-Dibromothiophene-2,5-dicarboxaldehyde DTXSID80460643 (CAS 25373-20-0)
Recommended Standards
- methyl 2-(dibromomethyl)thiophene-3-carboxylate (CAS 2044745-59-5)
- Methyl 4-bromo-5-(bromomethyl)thiophene-2-carboxylate (CAS 956118-34-6)
- 2-Bromo-1-(4-bromo-5-methoxythiophen-2-yl)ethan-1-one (CAS 882748-05-2)
- Methyl4,5-dibromo-3-methylthiophene-2-carboxylate (CAS 648412-53-7)
- 2-(5-phenyl-1,3,4-oxadiazol-2-yl)acetic acid (CAS 131467-94-2)
- 3-(5-Nitro-2-thiophene)acrylic Acid-d4 Sulfadimidine Amide (CAS 1795138-17-8)
- 3-(2-Fluorophenyl)-4-((4-(methylthio)benzylidene)amino)-1H-1,2,4-triazole-5(4H)-thione (CAS 578720-77-1)
- Atrasentan Impurity 17 (CAS 1140616-98-3)
- 3-(4-Fluorophenyl)-1H-pyrazol-5-amine hydrochloride (CAS 1025447-54-4)
- 3,4-bis(propan-2-yl)azetidin-2-one (CAS 1856133-57-7)
- 3-(4-Chloropyridin-3-yl)propan-1-amine (CAS 1060809-11-1)
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- 2,2,2-Trifluoroethyl (cyclopropylmethyl)carbamate (CAS 1467290-37-4)
- Semaglutide impurity 250 (CAS CATO-C4X-2226250)
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