2-{[(4-nitrophenyl)amino]methylidene}-2,3-dihydro-1H-indene-1,3-dione CAS 40462-01-9
| CAS No. | 40462-01-9 |
| Molecular Formula | C16H10N2O4 |
| Molecular Weight | 294.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 2-{[(4-nitrophenyl)amino]methylidene}-2,3-dihydro-1H-indene-1,3-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.
2-{[(4-nitrophenyl)amino]methylidene}-2,3-dihydro-1H-indene-1,3-dione (CAS 40462-01-9), molecular formula C16H10N2O4 and molecular weight 294.26 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C16H10N2O4, 2-{[(4-nitrophenyl)amino]methylidene}-2,3-dihydro-1H-indene-1,3-dione contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 294.26 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C16H10N2O4 |
| Molecular Weight | 294.26 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 DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1968 |
| Nitrogen Atoms | 2 |
Related nitrophenyl Standards
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Recommended Standards
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