| CAS No. | 647831-95-6 |
| Molecular Formula | C6H4Br2O5 |
| Molecular Weight | 315.90 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 3,4-Dibromo-5-oxo-2,5-dihydrofuran-2-yl methyl carbonate.
3,4-Dibromo-5-oxo-2,5-dihydrofuran-2-yl methyl carbonate (CAS 647831-95-6), molecular formula C6H4Br2O5 and molecular weight 315.90 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C6H4Br2O5, 3,4-Dibromo-5-oxo-2,5-dihydrofuran-2-yl methyl carbonate contains a carbohydrate-derived structure, bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 315.90 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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).
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 3,4-Dibromo-5-oxo-2,5-dihydrofuran-2-yl methyl carbonate 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.
| Molecular Formula | C6H4Br2O5 |
| Molecular Weight | 315.90 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| 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.) | 1985 |
| Halogen Content | Br-containing |