3,6-Dibromo-4H-chromen-4-one CAS 115237-39-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 115237-39-3 |
| Molecular Formula | C9H4Br2O2 |
| Molecular Weight | 303.93 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3,6-Dibromo-4H-chromen-4-one (CAS 115237-39-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C9H4Br2O2. Molecular weight: 303.93 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C9H4Br2O2 |
| Molecular Weight | 303.93 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Halogen Content | Br-containing |
Related Dibromo Standards
- 3,7-Dibromo-4H-chromen-4-one (CAS 1159978-70-7)
- 3,7-Dibromo-2H-chromen-2-one (CAS 1220702-33-9)
- 4,5-Dibromo-3-fluorothiophene-2-carboxylic acid (CAS 1628447-64-2)
- 2,2-Dibromo-1H-indene-1,3(2H)-dione (CAS 1685-97-8)
- 3,6-Dibromo-2H-chromen-2-one (CAS 58309-97-0)
- 6,8-Dibromo-2H-chromen-2-one (CAS 21524-15-2)
- 4,7-Dibromo-1H-pyrrolo[3,2-c]pyridine-3-carbaldehyde (CAS 1000341-95-6)
- 6,8-Dibromo-3,4-dihydroquinazolin-4-one (CAS 17518-85-3)
Recommended Standards
- Chlorthal-Diacid (CAS 2136-79-0)
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- 2-Amino-1-(2-methoxyethyl)-1h-pyrrolo[2,3-b]quinoxaline-3-carbonitrile (CAS 683781-30-8)
- Sodium 2-iodo-5-methylbenzenesulfonate (CAS 152716-82-0)
- 2-Oxo-3-azabicyclo[3.1.1]heptane-1-carboxylic acid (CAS 1780210-09-4)
- Cannabigerorcin (CAS 38106-51-3)
- 4-((3-Bromo-4-hydroxy-5-methoxybenzylidene)amino)-3-(furan-2-yl)-1H-1,2,4-triazole-5(4H)-thione (CAS 478253-74-6)
- 3149-74-4 Methane-d2, bromochloro- Bromochloromethane-d2 (CAS 3149-74-4)
- Serpent Peptide 2AcOH (CAS 823202-99-9(free base))
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