2,2-Dibromo-2,3-dihydro-1H-inden-1-one CAS 7749-02-2
| CAS No. | 7749-02-2 |
| Molecular Formula | C9H6Br2O |
| Molecular Weight | 289.95 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
2,2-Dibromo-2,3-dihydro-1H-inden-1-one (CAS 7749-02-2) is a high-purity analytical reference standard with the molecular formula C9H6Br2O and a molecular weight of 289.95 g/mol.
2,2-Dibromo-2,3-dihydro-1H-inden-1-one (C9H6Br2O) contains a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system. Halogen substitution raises its density and boiling point; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), 2,2-Dibromo-2,3-dihydro-1H-inden-1-one 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 | C9H6Br2O |
| Molecular Weight | 289.95 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, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1959 |
| Halogen Content | Br-containing |
Related Dibromo Standards
- 3,6-Dibromo-5-methyl-1H-indazole (CAS 1000342-39-1)
- 3,5-Dibromo-6-methyl-1H-pyrrolo[2,3-b]pyridine (CAS 1000343-79-2)
- 4,7-Dibromo-2,3-dihydro-1H-inden-1-one (CAS 103515-98-6)
- 3,8-Dibromo-6-methylimidazo[1,2-a]pyridine (CAS 1072944-58-1)
- 3,6-Dibromo-7-methylimidazo[1,2-a]pyridine (CAS 1072944-65-0)
- 3,5-Dibromo-4-methyl-(1H)indazole (CAS 1082040-13-8)
- 2,6-Dibromo-2,3-dihydro-1H-inden-1-one (CAS 1188141-94-7)
- 4,7-Dibromo-1-methyl-1H-benzo[d]imidazole (CAS 1235442-60-0)
Recommended Standards
- 1,3-Dibromo-5-(prop-2-yn-1-yloxy)benzene (CAS 2121512-40-9)
- 2,3-Dibromo-2,3-dihydro-1H-inden-1-one (CAS 50870-59-2)
- 4,6-Dibromo-2-methyl-1H-benzo[d]imidazole (CAS 1844-42-4)
- 2,6-Bis(bromomethyl)isonicotinonitrile (CAS 611233-77-3)
- (S)-2-(2-Amino-3-(5-bromo-1H-indol-3-yl)propanamido)acetic acid (CAS 918957-45-6)
- 3-[(Propan-2-yl)amino]propanoic acid (CAS 16217-35-9)
- (S)-5-Nitro-N-(1-phenylethyl)pyridin-2-amine (CAS 84249-39-8)
- 4-Methyl-N-(4-(piperidin-1-yl)phenyl)benzamide (CAS 301305-80-6)
- N-Benzyl-2-fluoro-N-methylbenzamide (CAS 330469-18-6)
- 1-(2,4-Dichlorophenyl)ethanol (CAS 1475-13-4)
- Pitavastatin Impurity 15 (CAS CATO-C4X-103715)
- 3-Bromo-2-cyclopropoxy-N,N-dimethylaniline (CAS 1243462-59-0)
- 3-(4-Bromobenzyl)-4-(tert-butyl)-3,4-dihydro-1H-benzo[e][1,2,4]triazepine-2,5-dione (CAS 866157-55-3)
- Insulin Degludec Impurity 1 (CAS 843666-26-2)
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