4-Bromo-3-formylthiophene-2-carboxylic acid CAS 53685-98-6
| CAS No. | 53685-98-6 |
| Molecular Formula | C6H3BrO3S |
| Molecular Weight | 235.06 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 235.06 g/mol gives 4-Bromo-3-formylthiophene-2-carboxylic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
4-Bromo-3-formylthiophene-2-carboxylic acid (CAS 53685-98-6) is a high-purity analytical reference standard with the molecular formula C6H3BrO3S and a molecular weight of 235.06 g/mol.
The molecular framework of 4-Bromo-3-formylthiophene-2-carboxylic acid (C6H3BrO3S) is characterized by a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system. In reversed-phase chromatography, its retention is governed primarily by the polarity and ionization state of its functional groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 4-Bromo-3-formylthiophene-2-carboxylic acid 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 | C6H3BrO3S |
| Molecular Weight | 235.06 g/mol |
| 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, water |
| 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.) | 1972 |
| Halogen Content | Br-containing |
| Sulfur Atoms | 1 |
Related Bromo Standards
- 4-Bromo-2-formylthiophene-3-carboxylic acid (CAS 1334640-34-4)
- 5-Bromo-2-formylthiophene-3-carboxylic acid (CAS 1397285-28-7)
- 3-bromo-2,4,6-trideuterio-5-(trifluoromethyl)pyridine (CAS 1643577-15-4)
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- 1-Bromo-2-fluoro-4-(methoxymethoxy)benzene (CAS 1054314-58-7)
Recommended Standards
- 3,6-Dichloro-2-(methoxymethoxy)benzaldehyde (CAS 2167168-65-0)
- 3,5-Dichloro-4-ethoxybenzoic acid (CAS 41490-08-8)
- 5-Bromothiophene 2-Oxoacetic Acid (CAS 22098-18-6)
- 3,5-Dichloro-2-ethoxybenzoic acid (CAS 90348-73-5)
- Ethyl 2,3-dihydro-1H-pyrrole-1-carboxylate (CAS 68471-56-7)
- 4-Chloro-2-ethynylaniline (CAS 412947-46-7)
- 1-Bromo-4-[(difluoromethyl)thio]benzene (CAS 4837-14-3)
- 1-Bromo-2-(3-bromoprop-1-yn-1-yl)benzene (CAS 1228107-22-9)
- N-Isobutyl-4-isothiocyanatobenzenesulfonamide (CAS 99841-32-4)
- Ethyl 2-{N'-[(1E)-[4-(dimethylamino)phenyl]methylidene]hydrazinecarbonyl}-3-{[3-(trifluoromethyl)phenyl]carbamoyl}cyclopropane-1-carboxylate (CAS 341967-55-3)
- Ethyl 2-(m-tolyl)acetate (CAS 40061-55-0)
- 1-Benzyl-4-(phenethylamino)piperidine-4-carbonitrile (CAS 180386-30-5)
- (S)-tert-Butyl 3-(3-fluoro-2-nitrophenoxy)pyrrolidine-1-carboxylate (CAS 1233860-18-8)
- Peptide YY (3-36) (human) (CAS 123583-37-9)
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