4,4a,5,5a,6,6a-Hexahydro-1H-4,6-ethenocyclopropa[f]isobenzofuran-1,3(3aH)-dione CAS 24447-28-7
| CAS No. | 24447-28-7 |
| Molecular Formula | C11H10O3 |
| Molecular Weight | 190.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 4,4a,5,5a,6,6a-Hexahydro-1H-4,6-ethenocyclopropa[f]isobenzofuran-1,3(3aH)-dione is closely related to a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
4,4a,5,5a,6,6a-Hexahydro-1H-4,6-ethenocyclopropa[f]isobenzofuran-1,3(3aH)-dione (CAS 24447-28-7), molecular formula C11H10O3 and molecular weight 190.20 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C11H10O3, 4,4a,5,5a,6,6a-Hexahydro-1H-4,6-ethenocyclopropa[f]isobenzofuran-1,3(3aH)-dione contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 190.20 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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), 4,4a,5,5a,6,6a-Hexahydro-1H-4,6-ethenocyclopropa[f]isobenzofuran-1,3(3aH)-dione 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 | C11H10O3 |
| Molecular Weight | 190.20 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1963 |
Recommended Standards
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- 4,4-Dimethylisochroman-1,3-dione (CAS 31952-55-3)
- 4-(Benzo[d][1,3]dioxol-5-yl)but-3-yn-1-ol (CAS 912649-12-8)
- 4,6-dimethoxypyrimidine-5-carboxylic acid (CAS 4319-93-1)
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- 5-Methyl-2-(o-tolyl)-1H-imidazole-4-carboxylic acid (CAS 209539-12-8)
- 1-[4-(3-chlorophenyl)piperazino]-3-[(2-chlorophenyl)sulfanyl]-2-propanol 338422-11-0 KS-000037F0 (CAS 338422-11-0)
- 4-(6-Methyl-5-(1-methylpyrrolidin-2-yl)pyridin-2-yl)morpholine (CAS 1352528-64-3)
- 1-(tert-Butoxycarbonyl)-6-phenylpiperidine-3-carboxylic acid (CAS 885275-13-8)
- Semaglutide Impurity 158 (x TFA Salt) (CAS CATO-C4X-2226158)
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