2,3-Dihydro-1h-isoindole-5-carboxylic acid hydrobromide CAS 1258650-25-7
| CAS No. | 1258650-25-7 |
| Molecular Formula | C9H9NO2 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 2,3-Dihydro-1h-isoindole-5-carboxylic acid hydrobromide is closely related to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, bromine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
CATO supplies 2,3-Dihydro-1h-isoindole-5-carboxylic acid hydrobromide (CAS 1258650-25-7), a certified reference material (molecular formula C9H9NO2HBr, MW 244.09 g/mol) for analytical method development and quality control.
2,3-Dihydro-1h-isoindole-5-carboxylic acid hydrobromide (C9H9NO2HBr) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, bromine substitution. Halogen substitution raises its density and boiling point, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), 2,3-Dihydro-1h-isoindole-5-carboxylic acid hydrobromide 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 | C9H9NO2 HBr |
| Molecular Weight | 244.09 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| 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; 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.) | 1990 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
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- MIL-88B(Fe) (CAS 1341134-01-7)
- 5-Amino-1-(pyridin-3-ylmethyl)-2',3',5',6'-tetrahydrospiro[indoline-3,4'-pyran]-2-one (CAS 1422139-83-0)
- (10-31)Semaglutide (CAS CATO-C4X-2226283)
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