2-(10-Oxo-1,10-dihydrochromeno[2,3-f]indol-4-yl)acetic acid CAS 848640-85-7
| CAS No. | 848640-85-7 |
| Molecular Formula | C17H11NO4 |
| Molecular Weight | 293.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-(10-Oxo-1,10-dihydrochromeno[2,3-f]indol-4-yl)acetic acid (CAS 848640-85-7) is a high-purity analytical reference standard with the molecular formula C17H11NO4 and a molecular weight of 293.27 g/mol.
Owing to a flavonoid core, an amide group, a hydroxyl group, an ether linkage, 2-(10-Oxo-1,10-dihydrochromeno[2,3-f]indol-4-yl)acetic acid is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 293.27 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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-(10-Oxo-1,10-dihydrochromeno[2,3-f]indol-4-yl)acetic 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.
Physical & Chemical Properties
| Molecular Formula | C17H11NO4 |
| Molecular Weight | 293.27 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 1 |
Related Oxo Standards
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Recommended Standards
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- 3-Bromo-5-fluoro-1-methyl-1H-pyrrolo[3,2-b]pyridine (CAS 2231675-79-7)
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