Methyl 5-bromo-4-methoxythiophene-2-carboxylate CAS 1774901-53-9
| CAS No. | 1774901-53-9 |
| Molecular Formula | C7H7BrO3S |
| Molecular Weight | 251.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Methyl 5-bromo-4-methoxythiophene-2-carboxylate (CAS 1774901-53-9), a certified reference material (molecular formula C7H7BrO3S, MW 251.10 g/mol) for analytical method development and quality control.
Structurally, Methyl 5-bromo-4-methoxythiophene-2-carboxylate (C7H7BrO3S) 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 251.10 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 5-bromo-4-methoxythiophene-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 | C7H7BrO3S |
| Molecular Weight | 251.10 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1994 |
| Halogen Content | Br-containing |
| Sulfur Atoms | 1 |
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Recommended Standards
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- 2-(1-((4-Hydroxycyclohexyl)amino)ethyl)phenol (CAS 1152822-87-1)
- 2-Phenyl-2,3-dihydro-1H-cyclopenta[a]naphthalen-1-one (CAS 98655-16-4)
- Galanin-Like Peptide (rat) trifluoroacetate salt (CAS 245114-97-0)
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