6-Bromo-3,4-dihydro-2H-chromen-4-ol CAS 18385-77-8
| CAS No. | 18385-77-8 |
| Molecular Formula | C9H9BrO2 |
| Molecular Weight | 229.07 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 229.07 g/mol gives 6-Bromo-3,4-dihydro-2H-chromen-4-ol distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
6-Bromo-3,4-dihydro-2H-chromen-4-ol (CAS 18385-77-8), molecular formula C9H9BrO2 and molecular weight 229.07 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C9H9BrO2, 6-Bromo-3,4-dihydro-2H-chromen-4-ol contains a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 229.07 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 6-Bromo-3,4-dihydro-2H-chromen-4-ol 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 | C9H9BrO2 |
| Molecular Weight | 229.07 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
| Halogen Content | Br-containing |
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Recommended Standards
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- 2-Piperidinyl(1-pyrrolidinyl)methanonehydrochloride (CAS 690634-81-2)
- 3,4,5-Trimethyl-2H-pyrrol-2-one (CAS 89267-97-0)
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