4-Bromo-6-(chloromethyl)-1,3-dioxaindane CAS 65673-82-7
| CAS No. | 65673-82-7 |
| Molecular Formula | C8H6BrClO2 |
| Molecular Weight | 249.49 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Bromo-6-(chloromethyl)-1,3-dioxaindane (CAS 65673-82-7), molecular formula C8H6BrClO2 and molecular weight 249.49 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 4-Bromo-6-(chloromethyl)-1,3-dioxaindane (C8H6BrClO2) contains a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine/bromine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 249.49 g/mol, it falls into the medium-molecular-weight range. 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.
As a certified reference material (CRM), 4-Bromo-6-(chloromethyl)-1,3-dioxaindane meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C8H6BrClO2 |
| Molecular Weight | 249.49 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| 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.) | 1975 |
| Halogen Content | Cl/Br-containing |
Related Bromo Standards
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- 2-Bromo-4-chlorobenzohydrazide (CAS 1023334-50-0)
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Recommended Standards
- 4-Bromo-3-methoxybenzoyl chloride (CAS 56256-15-6)
- 4-bromophenyl chloroacetate (CAS 36559-93-0)
- 4-bromo-2-methoxybenzoyl chloride (CAS 5213-16-1)
- 4-Chloro-2-(bromomethyl)benzoic acid (CAS 62758-49-0)
- 7-Amino-3-chloro-8-oxo-5-thia-1-aza-bicyclo-[4.2.0]oct-2-ene-2-carboxylic acid (CAS 108260-01-1)
- 3-bromo-5-iodopyridin-2-amine (CAS 697300-73-5)
- 5-Bromo-2-fluoro-N-methylbenzenemethanamine (CAS 188723-97-9)
- 3-(3'-Methoxy-[1,1'-biphenyl]-4-yl)propanoic acid (CAS 893641-26-4)
- n-((2-Methoxypyridin-3-yl)methyl)thiophene-2-carboxamide (CAS 1090500-92-7)
- Thiophene-3-thiol (CAS 7774-73-4)
- (2,3-Difluoro-4-(hexyloxy)phenyl)(methyl)sulfane (CAS 2432848-55-8)
- 2-Bromo-5-(chloromethyl)-6-(difluoromethyl)nicotinaldehyde (CAS 1805370-66-4)
- Roxadustat Impurity 75 (CAS CATO-C4X-221375)
- Liraglutide(13-31)TFA Salt (CAS CATO-C4X-19929)
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