Methyl 4,5-dibromo-3-hydroxythiophene-2-carboxylate CAS 96232-71-2
| CAS No. | 96232-71-2 |
| Molecular Formula | C6H4Br2O3S |
| Molecular Weight | 315.97 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, Methyl 4,5-dibromo-3-hydroxythiophene-2-carboxylate (C6H4Br2O3S) 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 315.97 g/mol, it falls into the moderately-high-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Methyl 4,5-dibromo-3-hydroxythiophene-2-carboxylate (CAS 96232-71-2), molecular formula C6H4Br2O3S and molecular weight 315.97 g/mol, is a CATO reference standard with documented purity and traceability.
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 Methyl 4,5-dibromo-3-hydroxythiophene-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 | C6H4Br2O3S |
| Molecular Weight | 315.97 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| 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.) | 1984 |
| Halogen Content | Br-containing |
| Sulfur Atoms | 1 |
Related Methyl Standards
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- 1-(2-Methoxy-5-methylphenyl)guanidine (CAS 112677-35-7)
- 1-Benzyl-4-iodo-1,2,3,6-tetrahydropyridine (CAS 143427-63-8)
- 3-Methyl-3-hepten-5-one (CAS 1447-26-3)
- 2-Phenyl-4h-furo[3,2-b]pyrrole-5-carboxylic acid (CAS 86345-44-0)
- 3-Methyl-3,4-dihydroquinolin-2(1H)-one (CAS 31883-79-1)
- 2-((2-Bromobenzyl)(ethyl)amino)ethanol (CAS 69496-65-7)
- 3,4-Difluoro-5-hydroxybenzaldehyde (CAS 887584-91-0)
- Acetyl Hexapeptide-39 (CAS 1382088-38-1)
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