5-(Bromomethylene)furan-2(5H)-one CAS 199744-38-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 199744-38-2 |
| Molecular Formula | C5H3BrO2 |
| Molecular Weight | 174.98 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 5-(Bromomethylene)furan-2(5H)-one (CAS 199744-38-2), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C5H3BrO2. Molecular weight: 174.98 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C5H3BrO2 |
| Molecular Weight | 174.98 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, 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) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 2014 |
| Halogen Content | Br-containing |
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Recommended Standards
- 4-Bromopyrimidin-2(1H)-one (CAS 548767-83-5)
- 5-Bromo-1H-imidazole-4-carbaldehyde (CAS 50743-01-6)
- 4-Bromopyridazin-3(2H)-one (CAS 22626-56-8)
- 1-(4-Bromo-3-methylphenyl)piperidin-2-one (CAS 1017029-00-3)
- 20735-15-3 1-Phenylbutan-2-amine--hydrogen chloride (1/1) DTXSID80508458 (CAS 20735-15-3)
- Diethyl 4-(benzo[d][1,3]dioxol-5-yl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate (CAS 10354-29-7)
- 2,4-Dibutoxy-1-chlorobenzene (CAS 194083-31-3)
- Pranoprofen Impurity 25 (CAS CATO-C4X-181125)
- 2,2,5,7,8-pentamethylchroman-6-sulfonyl chloride (CAS 112160-39-1)
- Semaglutide Impurity 139 (CAS CATO-C4X-2226139)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com