4,6-Dibromothieno[3,4-c]furan-1,3-dione CAS 1015423-45-6
| CAS No. | 1015423-45-6 |
| Molecular Formula | C6Br2O3S |
| Molecular Weight | 311.94 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4,6-Dibromothieno[3,4-c]furan-1,3-dione (CAS 1015423-45-6), molecular formula C6Br2O3S and molecular weight 311.94 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of 4,6-Dibromothieno[3,4-c]furan-1,3-dione (C6Br2O3S) 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. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C6Br2O3S |
| Molecular Weight | 311.94 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Halogen Content | Br-containing |
| Sulfur Atoms | 1 |
Related Dibromothieno Standards
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Recommended Standards
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- 4-methoxy-6-[2-(3-piperidyl)ethynyl]pyrimidine (CAS 2546569-66-6)
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