4-Bromo-5-iodofuran-2-carboxylic acid CAS 19303-42-5
| CAS No. | 19303-42-5 |
| Molecular Formula | C5H2BrIO3 |
| Molecular Weight | 316.88 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 4-Bromo-5-iodofuran-2-carboxylic acid is closely related to a carboxylic acid group, a hydroxyl group, an ether linkage, bromine/iodine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
CATO supplies 4-Bromo-5-iodofuran-2-carboxylic acid (CAS 19303-42-5), a certified reference material (molecular formula C5H2BrIO3, MW 316.88 g/mol) for analytical method development and quality control.
Based on its molecular formula C5H2BrIO3, 4-Bromo-5-iodofuran-2-carboxylic acid contains a carboxylic acid group, a hydroxyl group, an ether linkage, bromine/iodine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 316.88 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.
CATO manufactures 4-Bromo-5-iodofuran-2-carboxylic acid 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 | C5H2BrIO3 |
| Molecular Weight | 316.88 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 |
| CAS Registry Year (est.) | 1962 |
| Halogen Content | Br/I-containing |
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