1-(6-Hydroxy-4,7-dimethoxy-3a,7a-dihydrobenzofuran-5-yl)ethanone CAS 90936-33-7
| CAS No. | 90936-33-7 |
| Molecular Formula | C12H14O5 |
| Molecular Weight | 238.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-(6-Hydroxy-4,7-dimethoxy-3a,7a-dihydrobenzofuran-5-yl)ethanone (CAS 90936-33-7) is a high-purity analytical reference standard with the molecular formula C12H14O5 and a molecular weight of 238.24 g/mol.
1-(6-Hydroxy-4,7-dimethoxy-3a,7a-dihydrobenzofuran-5-yl)ethanone (C12H14O5) contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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), 1-(6-Hydroxy-4,7-dimethoxy-3a,7a-dihydrobenzofuran-5-yl)ethanone 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 | C12H14O5 |
| Molecular Weight | 238.24 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, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1982 |
Related Hydroxy Standards
- 2-hydroxy-5-{[(propan-2-yl)carbamoyl]amino}benzoic acid (CAS 1038255-06-9)
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- Ethyl 2-hydroxy-4-oxo-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidine-3-carboxylate (CAS 1204419-95-3)
- 2-hydroxy-4-{[(propan-2-yl)carbamoyl]amino}benzoic acid (CAS 144835-24-5)
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Recommended Standards
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