1-(3,4-dimethoxybenzyl)-1H-indole-2,3-dione CAS 26960-67-8
| CAS No. | 26960-67-8 |
| Molecular Formula | C17H15NO4 |
| Molecular Weight | 297.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
CATO supplies 1-(3,4-dimethoxybenzyl)-1H-indole-2,3-dione (CAS 26960-67-8), a certified reference material (molecular formula C17H15NO4, MW 297.31 g/mol) for analytical method development and quality control.
The molecular framework of 1-(3,4-dimethoxybenzyl)-1H-indole-2,3-dione (C17H15NO4) 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. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
As a certified reference material (CRM), 1-(3,4-dimethoxybenzyl)-1H-indole-2,3-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 | C17H15NO4 |
| Molecular Weight | 297.31 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1964 |
| Nitrogen Atoms | 1 |
Related dimethoxybenzyl Standards
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- N-(2,4-Dimethoxybenzyl)-1-methyl-1H-benzo[d]imidazol-2-amine (CAS 701224-20-6)
- N-(3,4-dimethoxybenzyl)-1-methyl-1H-benzo[d]imidazol-5-amine (CAS 364341-43-5)
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- (2,5-Dimethoxybenzyl)1,2,3,4-tetrahydronaphthalen-1-ylamine (CAS 356092-88-1)
- (3,4-Dimethoxybenzyl)1,2,3,4-tetrahydronaphthalen-1-ylamine (CAS 356093-63-5)
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- (2-Methyl-2H-indazol-5-yl)methanamine (CAS 1159511-63-3)
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