(4,5-Dibromo-furan-2-yl)-methanol CAS 19303-43-6
| CAS No. | 19303-43-6 |
| Molecular Formula | C5H4Br2O2 |
| Molecular Weight | 255.89 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C5H4Br2O2, (4,5-Dibromo-furan-2-yl)-methanol contains a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 255.89 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).
(4,5-Dibromo-furan-2-yl)-methanol (CAS 19303-43-6) is a high-purity analytical reference standard with the molecular formula C5H4Br2O2 and a molecular weight of 255.89 g/mol.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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 | C5H4Br2O2 |
| Molecular Weight | 255.89 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1962 |
| Halogen Content | Br-containing |
Related Dibromo Standards
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Recommended Standards
- 1-Bromo-2,3-dichloro-4-methoxybenzene (CAS 109803-52-3)
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- Dibenzo[b,d]furan-4,6-diyldiboronic acid (CAS 145238-17-1)
- MLN-4760 disodium salt (CAS 1315337-39-3)
- (s)-2-Fluoro-6-(1-hydroxyethyl)phenol (CAS 1932309-57-3)
- N-(1-amino-4-(methylthio)-1-oxobutan-2-yl)benzamide (CAS 52811-71-9)
- 5-Bromo-7-methoxy-3-(trifluoromethyl)benzofuran (CAS 1394319-52-8)
- H-D-Leu-OMe ยท HCl (CAS 5845-53-4)
- Methyl (4aS,6aR,6bS,8aR,12aS,14aR,14bS)-11-cyano-10-hydroxy-2,2,6a,6b,9,9,12a-heptamethyl-14-oxo-1,3,4,5,6,6a,6b,7,8,8a,9,12,12a,14,14a,14b-hexadecahydropicene-4a(2H)-carboxylate (CAS 305818-40-0)
- 4-[Isocyano(toluene-4-sulfonyl)methyl]-1,2-dimethoxybenzene (CAS 943614-50-4)
- 2-Pyrrolidin-3-ylmethyl-pyridine dihydrochloride (CAS 1361115-13-0)
- Methyl 2-acetamido-6-(chlorosulfonyl)isonicotinate (CAS 1393530-96-5)
- Semaglutide impurity 86 (CAS CATO-C4X-222686)
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