7-Bromo-1-cyclopropyl-2,3-dihydro-1H-indene CAS 1782857-31-1
| CAS No. | 1782857-31-1 |
| Molecular Formula | C12H13Br |
| Molecular Weight | 237.14 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.
7-Bromo-1-cyclopropyl-2,3-dihydro-1H-indene (CAS 1782857-31-1) is a high-purity analytical reference standard with the molecular formula C12H13Br and a molecular weight of 237.14 g/mol.
Owing to bromine substitution, an aromatic ring system, 7-Bromo-1-cyclopropyl-2,3-dihydro-1H-indene is typically off-white to pale yellow low-melting solid. Its solid-state physicochemical attributes — including a molecular weight of 237.14 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C12H13Br |
| Molecular Weight | 237.14 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| 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.) | 1994 |
| Halogen Content | Br-containing |
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Recommended Standards
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- Semaglutide impurity 56 (CAS CATO-C4X-222656)
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