| CAS No. | 356574-17-9 |
| Molecular Formula | C17H13NO6 |
| Molecular Weight | 327.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 327.29 g/mol gives 2-(2,5-Dimethoxyphenyl)-1,3-dioxoisoindoline-5-carboxylic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2-(2,5-Dimethoxyphenyl)-1,3-dioxoisoindoline-5-carboxylic acid (CAS 356574-17-9) is a high-purity analytical reference standard with the molecular formula C17H13NO6 and a molecular weight of 327.29 g/mol.
The molecular framework of 2-(2,5-Dimethoxyphenyl)-1,3-dioxoisoindoline-5-carboxylic acid (C17H13NO6) is characterized by a flavonoid core, an amide group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. 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), 2-(2,5-Dimethoxyphenyl)-1,3-dioxoisoindoline-5-carboxylic acid 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.
| Molecular Formula | C17H13NO6 |
| Molecular Weight | 327.29 g/mol |
| Appearance | Pale yellow to 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 |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 1 |