2-Ethoxy-2-hydroxy-1H-indene-1,3(2H)-dione CAS 343317-36-2
| CAS No. | 343317-36-2 |
| Molecular Formula | C11H10O4 |
| Molecular Weight | 206.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Ethoxy-2-hydroxy-1H-indene-1,3(2H)-dione (CAS 343317-36-2) is a high-purity analytical reference standard with the molecular formula C11H10O4 and a molecular weight of 206.19 g/mol.
Structurally, 2-Ethoxy-2-hydroxy-1H-indene-1,3(2H)-dione (C11H10O4) contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 206.19 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 2-Ethoxy-2-hydroxy-1H-indene-1,3(2H)-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 | C11H10O4 |
| Molecular Weight | 206.19 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.) | 2025 |
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Recommended Standards
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- tert-Butyl 2-methyl-4H-pyrrolo[3,4-d]oxazole-5(6H)-carboxylate (CAS 1235591-17-9)
- 3-(5-Oxo-3-(4-stearamidophenyl)-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonic acid (CAS 97158-37-7)
- 2-(2-Phenoxyethoxy)-N-(4-propoxybenzyl)aniline (CAS 1040687-50-0)
- 2-(((1H-1,2,4-triazol-5-yl)imino)methyl)phenol (CAS 24829-12-7)
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