Methyl 4-bromo-5-formylthiophene-2-carboxylate CAS 648412-59-3
| CAS No. | 648412-59-3 |
| Molecular Formula | C7H5BrO3S |
| Molecular Weight | 249.08 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 249.08 g/mol gives Methyl 4-bromo-5-formylthiophene-2-carboxylate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Methyl 4-bromo-5-formylthiophene-2-carboxylate (CAS 648412-59-3), molecular formula C7H5BrO3S and molecular weight 249.08 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, Methyl 4-bromo-5-formylthiophene-2-carboxylate (C7H5BrO3S) 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 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 249.08 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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 4-bromo-5-formylthiophene-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 | C7H5BrO3S |
| Molecular Weight | 249.08 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.) | 1985 |
| Halogen Content | Br-containing |
| Sulfur Atoms | 1 |
Related Methyl Standards
- 2-Bromo-4-fluoro-1-(2-methoxyethoxy)benzene (CAS 1016783-82-6)
- 3-Bromo-5-fluoro-2-isopropoxyphenol (CAS 1026796-58-6)
- 1-Bromo-4-ethoxy-2-fluoro-5-methoxybenzene (CAS 1095544-33-4)
- 4-Bromo-1-fluoro-2-(2-methoxyethoxy)-benzene (CAS 1105665-14-2)
- (S)-2-Bromo-1-(5-fluoro-2-methoxyphenyl)ethan-1-ol (CAS 1175687-55-4)
- 2-Bromo-1-fluoro-4-(2-methoxyethoxy)benzene (CAS 1364440-89-0)
- 1-Bromo-2-(dimethoxymethyl)-3-fluorobenzene (CAS 1393442-56-2)
- 1-Bromo-3-(dimethoxymethyl)-5-fluorobenzene (CAS 1585174-21-5)
Recommended Standards
- 7-Bromo-2,3-dihydrothieno[3,4-b][1,4]dioxine-5-carbaldehyde (CAS 852054-42-3)
- Arotinolol impurity 25 (CAS 96991-65-0)
- 6-Bromo-2-fluoro-3-isopropoxyphenol (CAS 2413441-32-2)
- Ammoxetine Impurity 1 (CAS CATO-C4X-33571)
- 2-Chloro-5-(trifluoromethyl)-1,3-thiazole (CAS 1384199-31-8)
- 3-Methoxy-6-methylpyridazine (CAS 17644-83-6)
- Benzyl (4-(2-chloro-N-ethylacetamido)cyclohexyl)carbamate (CAS 1353967-76-6)
- Ethyl 4-bromo-3-cyano-5-formylbenzoate (CAS 1805406-96-5)
- (6-Methylpyridin-2-yl)methanamine dihydrochloride (CAS 858838-82-1)
- cis-2-Amino-1-methyl-cyclopentanecarboxylic acid (CAS 85726-00-7)
- Benzoflavin (CAS 6359-38-2)
- Methyl 2,2-dimethyl-3-(4-nitrophenyl)propanoate (CAS 1384980-40-8)
- 3-(4-Chlorobenzyl)imidazolidine-2,4-dione (CAS 136197-77-8)
- TRAF6 Peptide trifluoroacetate salt (CAS 852805-92-6)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com