Methyl 5-(3-bromophenyl)-3-(chlorosulfonyl)thiophene-2-carboxylate CAS 1375474-37-5
| CAS No. | 1375474-37-5 |
| Molecular Formula | C12H8BrClO4S2 |
| Molecular Weight | 395.68 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including Methyl 5-(3-bromophenyl)-3-(chlorosulfonyl)thiophene-2-carboxylate.
Methyl 5-(3-bromophenyl)-3-(chlorosulfonyl)thiophene-2-carboxylate (CAS 1375474-37-5) is a high-purity analytical reference standard with the molecular formula C12H8BrClO4S2 and a molecular weight of 395.68 g/mol.
Based on its molecular formula C12H8BrClO4S2, Methyl 5-(3-bromophenyl)-3-(chlorosulfonyl)thiophene-2-carboxylate contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine/bromine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 395.68 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
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), Methyl 5-(3-bromophenyl)-3-(chlorosulfonyl)thiophene-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 | C12H8BrClO4S2 |
| Molecular Weight | 395.68 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Halogen Content | Cl/Br-containing |
| Sulfur Atoms | 2 |
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Recommended Standards
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