1-(2,4-Dimethoxy-phenyl)-2-(1,3-dioxolan-2-yl)-ethanone CAS 1263365-93-0
| CAS No. | 1263365-93-0 |
| Molecular Formula | C13H16O5 |
| Molecular Weight | 252.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-(2,4-Dimethoxy-phenyl)-2-(1,3-dioxolan-2-yl)-ethanone (CAS 1263365-93-0), molecular formula C13H16O5 and molecular weight 252.26 g/mol, is a CATO reference standard with documented purity and traceability.
1-(2,4-Dimethoxy-phenyl)-2-(1,3-dioxolan-2-yl)-ethanone (C13H16O5) 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).
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), 1-(2,4-Dimethoxy-phenyl)-2-(1,3-dioxolan-2-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 | C13H16O5 |
| Molecular Weight | 252.26 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.) | 1990 |
Related Dimethoxy Standards
- 1-(2,5-Dimethoxy-phenyl)-2-(1,3-dioxolan-2-yl)-ethanone (CAS 108950-30-7)
- 1-(2,6-Dimethoxy-phenyl)-2-(1,3-dioxolan-2-yl)-ethanone (CAS 1263365-51-0)
- 1-(3,5-Dimethoxy-phenyl)-2-(1,3-dioxolan-2-yl)-ethanone (CAS 1263365-59-8)
- 1-(2,3-Dimethoxy-phenyl)-2-(1,3-dioxolan-2-yl)-ethanone (CAS 1263365-66-7)
- 1-(3,4-Dimethoxy-phenyl)-2-(1,3-dioxolan-2-yl)-ethanone (CAS 1263366-10-4)
- 5,6-Dimethoxy-2-methyl-8-nitro-1,2,3,4-tetrahydroisoquinoline (CAS 87664-83-3)
- 6,7-Dimethoxy-2-(methylsulfanyl)-3,4-dihydroquinazolin-4-one (CAS 1527466-89-2)
- 6,7-Dimethoxy-1-oxoisochroman-3-carboxylic acid (CAS 1312139-35-7)
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