(3E)-3-{2-[2,6-dichloro-4-(trifluoromethyl)phenyl]hydrazin-1-ylidene}-1-[(4-methylphenyl)methyl]-2,3-dihydro-1H-indol-2-one CAS 320422-10-4
| CAS No. | 320422-10-4 |
| Molecular Formula | C23H16Cl2F3N3O |
| Molecular Weight | 478.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including (3E)-3-{2-[2,6-dichloro-4-(trifluoromethyl)phenyl]hydrazin-1-ylidene}-1-[(4-methylphenyl)methyl]-2,3-dihydro-1H-indol-2-one.
(3E)-3-{2-[2,6-dichloro-4-(trifluoromethyl)phenyl]hydrazin-1-ylidene}-1-[(4-methylphenyl)methyl]-2,3-dihydro-1H-indol-2-one (CAS 320422-10-4), molecular formula C23H16Cl2F3N3O and molecular weight 478.29 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C23H16Cl2F3N3O, (3E)-3-{2-[2,6-dichloro-4-(trifluoromethyl)phenyl]hydrazin-1-ylidene}-1-[(4-methylphenyl)methyl]-2,3-dihydro-1H-indol-2-one contains a steroid core, an amide group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 478.29 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.
As a certified reference material (CRM), (3E)-3-{2-[2,6-dichloro-4-(trifluoromethyl)phenyl]hydrazin-1-ylidene}-1-[(4-methylphenyl)methyl]-2,3-dihydro-1H-indol-2-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.
Physical & Chemical Properties
| Molecular Formula | C23H16Cl2F3N3O |
| Molecular Weight | 478.29 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; 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 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 3 |
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