2-{1-[(2,4-dimethylphenyl)amino]ethylidene}-2,3-dihydro-1H-indene-1,3-dione CAS 1024244-02-7
| CAS No. | 1024244-02-7 |
| Molecular Formula | C19H17NO2 |
| Molecular Weight | 291.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-{1-[(2,4-dimethylphenyl)amino]ethylidene}-2,3-dihydro-1H-indene-1,3-dione (CAS 1024244-02-7), molecular formula C19H17NO2 and molecular weight 291.34 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C19H17NO2, 2-{1-[(2,4-dimethylphenyl)amino]ethylidene}-2,3-dihydro-1H-indene-1,3-dione contains a steroid 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 291.34 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C19H17NO2 |
| Molecular Weight | 291.34 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| 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.) | 1988 |
| Nitrogen Atoms | 1 |
Related dimethylphenyl Standards
- 2-(2,4-Dimethylphenyl)-6-methylquinoline-4-carboxylic acid (CAS 433243-08-4)
- 2-(2,4-Dimethylphenyl)-8-methylquinoline-4-carboxylic acid (CAS 522596-44-7)
- 2-(2,5-Dimethylphenyl)-3-methylquinoline-4-carboxylic acid (CAS 350999-29-0)
- 2-(2,5-Dimethylphenyl)-6-methylquinoline-4-carboxylic acid (CAS 438215-97-5)
- 2-(2,5-Dimethylphenyl)-8-methylquinoline-4-carboxylic acid (CAS 438225-43-5)
- 2-(3,4-Dimethylphenyl)-6-methylquinoline-4-carboxylic acid (CAS 670232-64-1)
- 2-(3,4-Dimethylphenyl)-8-methylquinoline-4-carboxylic acid (CAS 438229-29-9)
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Recommended Standards
- 4-(3-Cyclohexylpropanamido)-2-hydroxybenzoic acid (CAS 1019465-60-1)
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- Torasemide Impurity 23 (CAS CATO-C4X-183623)
- trans-Methyl-3-(((benzyloxy)carbonyl)-amino)cyclohexanecarboxylate (CAS 1035325-22-4)
- (2R,5S)-2,5-Dimethylpyrrolidine (CAS 1217794-57-4)
- (3S,4R)-1-benzyl-4-methylpiperidin-3-ol (CAS 1932520-43-8)
- 2,4-Dimercaptobutanoic acid (CAS 126660-83-1)
- 3,5-Bis(heptafluoroisopropyl)-1-phenylpyrazole (CAS 244187-02-8)
- 3,3-Dimethyl-1-(2-methylpiperazin-1-yl)butan-1-one (CAS 1240569-43-0)
- 4-Bromo-1,5-dimethyl-1h-pyrazole-3-carbohydrazide (CAS 261965-56-4)
- 3-Methoxy-5-methylpyrazine-2-carbaldehyde (CAS 614730-17-5)
- 6-Methoxyindolin-7-ol (CAS 70837-64-8)
- 4-((2,6-Dichlorobenzyl)oxy)benzaldehyde (CAS 166049-76-9)
- Erythropoietin Mimetic Peptide Sequence 20 (CAS 203397-62-0)
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