(2Z)-2-{[4-(dimethylamino)phenyl]methylidene}-3-phenyl-2,3-dihydro-1H-inden-1-one CAS 337921-70-7
| CAS No. | 337921-70-7 |
| Molecular Formula | C24H21NO |
| Molecular Weight | 339.43 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), (2Z)-2-{[4-(dimethylamino)phenyl]methylidene}-3-phenyl-2,3-dihydro-1H-inden-1-one 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.
(2Z)-2-{[4-(dimethylamino)phenyl]methylidene}-3-phenyl-2,3-dihydro-1H-inden-1-one (CAS 337921-70-7) is a high-purity analytical reference standard with the molecular formula C24H21NO and a molecular weight of 339.43 g/mol.
Based on its molecular formula C24H21NO, (2Z)-2-{[4-(dimethylamino)phenyl]methylidene}-3-phenyl-2,3-dihydro-1H-inden-1-one 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 339.43 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).
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.
Physical & Chemical Properties
| Molecular Formula | C24H21NO |
| Molecular Weight | 339.43 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 | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 1 |
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Recommended Standards
- (2E)-N-(2,4-Dimethoxyphenyl)-3-[4-(2-methylpropyl)phenyl]prop-2-enamide (CAS 329777-60-8)
- (4-((4-Isopropylbenzyl)oxy)phenyl)(morpholino)methanone (CAS 866011-08-7)
- (2E)-3-(4-tert-Butylphenyl)-N-(2,4-dimethoxyphenyl)prop-2-enamide (CAS 256955-11-0)
- (5E)-3-Ethyl-2-sulfanylidene-5-[(3,4,5-trimethoxyphenyl)methylidene]-1,3-thiazolidin-4-one (CAS 292173-34-3)
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- 5-Oxo-3-phenyl-5h-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylic acid (CAS 446829-29-4)
- 4-Bromo-5-methyl-3-nitro-1H-pyrazole (CAS 70951-96-1)
- Methyl 3-(5-bromo-1H-1,2,4-triazol-3-yl)propanoate (CAS 1279219-62-3)
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- Famotidine Impurity 11 (CAS 128648-99-7)
- Span 80 (CAS 1338-43-8)
- Oct-7-en-4-ol (CAS 53907-72-5)
- Semaglutide Impurity 129 (CAS 2490269-79-7)
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