[(3Z)-5-Methyl-2-oxo-1-{[3-(trifluoromethyl)phenyl]methyl}-2,3-dihydro-1H-indol-3-ylidene]amino pentanoate CAS 321430-01-7
| CAS No. | 321430-01-7 |
| Molecular Formula | C22H21F3N2O3 |
| Molecular Weight | 418.41 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.
[(3Z)-5-Methyl-2-oxo-1-{[3-(trifluoromethyl)phenyl]methyl}-2,3-dihydro-1H-indol-3-ylidene]amino pentanoate (CAS 321430-01-7) is a high-purity analytical reference standard with the molecular formula C22H21F3N2O3 and a molecular weight of 418.41 g/mol.
Based on its molecular formula C22H21F3N2O3, [(3Z)-5-Methyl-2-oxo-1-{[3-(trifluoromethyl)phenyl]methyl}-2,3-dihydro-1H-indol-3-ylidene]amino pentanoate contains a steroid core, an amide group, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 418.41 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
As a certified reference material (CRM), [(3Z)-5-Methyl-2-oxo-1-{[3-(trifluoromethyl)phenyl]methyl}-2,3-dihydro-1H-indol-3-ylidene]amino pentanoate 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 | C22H21F3N2O3 |
| Molecular Weight | 418.41 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
Recommended Standards
- [(3Z)-5-Methyl-2-oxo-1-{[3-(trifluoromethyl)phenyl]methyl}-2,3-dihydro-1H-indol-3-ylidene]amino 3-methylbutanoate (CAS 321430-05-1)
- Regadenoson Impurity 31 (CAS CATO-C4X-198531)
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