Methyl 7-bromo-2,3-dihydro-1H-indene-5-carboxylate CAS 2090004-40-1
| CAS No. | 2090004-40-1 |
| Molecular Formula | C11H11BrO2 |
| Molecular Weight | 255.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 255.11 g/mol gives Methyl 7-bromo-2,3-dihydro-1H-indene-5-carboxylate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Methyl 7-bromo-2,3-dihydro-1H-indene-5-carboxylate (CAS 2090004-40-1), molecular formula C11H11BrO2 and molecular weight 255.11 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C11H11BrO2, Methyl 7-bromo-2,3-dihydro-1H-indene-5-carboxylate 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 255.11 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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 | C11H11BrO2 |
| Molecular Weight | 255.11 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| 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, DMSO |
| 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1997 |
| Halogen Content | Br-containing |
Related Methyl Standards
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- 3-Bromo-N-propylimidazo[1,2-b]pyridazin-6-amine (CAS 1034621-79-8)
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- Methyl 6-bromo-2,3-dihydro-1H-indene-1-carboxylate (CAS 1097326-38-9)
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Recommended Standards
- Methyl 5-bromo-2,3-dihydro-1H-indene-2-carboxylate (CAS 628732-09-2)
- N-(5-bromopyridin-2-yl)cyclobutanecarboxamide (CAS 492429-47-7)
- Methyl 5-Bromo-2,2-dimethoxypentanoate (CAS 85864-31-9)
- N-(5-bromopyridin-2-yl)pent-4-enamide (CAS 424803-12-3)
- 4-Nitrophenyl 4-methoxybenzoate (CAS 7464-46-2)
- n-(2-Aminoethyl)-4-chloro-1-methyl-1h-pyrazole-3-carboxamide (CAS 1006482-67-2)
- 4-((Trimethylsilyl)oxy)tetrahydro-2H-pyran-4-carbonitrile (CAS 112799-02-7)
- 6-Iodoquinazoline-2,4-diamine (CAS 132131-20-5)
- 1-(2-Chloro-4-hydroxy-7,8-dimethylquinolin-3-yl)ethanone (CAS 79074-98-9)
- 7-Ethynyl-4H-chromen-4-one (CAS 1446428-60-9)
- 1-(4-Methoxybenzyl)-2,6-dioxopiperidin-3-yl trifluoromethanesulfonate (CAS 2304754-47-8)
- 2-(Benzo[d][1,3]dioxol-5-ylamino)-2-oxoethyl 2,2-diphenylacetate (CAS 380188-67-0)
- (-)-trans 3’-Aminomethyl Nicotine (CAS 272124-60-4)
- Semaglutide impurity 86 (CAS CATO-C4X-222686)
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