3-bromo-4-chlorofuro[2,3-b]pyridine CAS 220939-67-3
| CAS No. | 220939-67-3 |
| Molecular Formula | C7H11BrClNO |
| Molecular Weight | 240.53 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-bromo-4-chlorofuro[2,3-b]pyridine (CAS 220939-67-3), molecular formula C7H11BrClNO and molecular weight 240.53 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C7H11BrClNO, 3-bromo-4-chlorofuro[2,3-b]pyridine contains an amide group, a hydroxyl group, an ether linkage, chlorine/bromine substitution; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 240.53 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
As a certified reference material (CRM), 3-bromo-4-chlorofuro[2,3-b]pyridine 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 | C7H11BrClNO |
| Molecular Weight | 240.53 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 2020 |
| Halogen Content | Cl/Br-containing |
| Nitrogen Atoms | 1 |
Related bromo Standards
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Recommended Standards
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