(3E)-3-{2-[2,6-dichloro-4-(trifluoromethyl)phenyl]hydrazin-1-ylidene}-1-{[3-(trifluoromethyl)phenyl]methyl}-2,3-dihydro-1H-indol-2-one CAS 303985-33-3
| CAS No. | 303985-33-3 |
| Molecular Formula | C23H13Cl2F6N3O |
| Molecular Weight | 532.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 532.27 g/mol gives (3E)-3-{2-[2,6-dichloro-4-(trifluoromethyl)phenyl]hydrazin-1-ylidene}-1-{[3-(trifluoromethyl)phenyl]methyl}-2,3-dihydro-1H-indol-2-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
(3E)-3-{2-[2,6-dichloro-4-(trifluoromethyl)phenyl]hydrazin-1-ylidene}-1-{[3-(trifluoromethyl)phenyl]methyl}-2,3-dihydro-1H-indol-2-one (CAS 303985-33-3), molecular formula C23H13Cl2F6N3O and molecular weight 532.27 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, (3E)-3-{2-[2,6-dichloro-4-(trifluoromethyl)phenyl]hydrazin-1-ylidene}-1-{[3-(trifluoromethyl)phenyl]methyl}-2,3-dihydro-1H-indol-2-one (C23H13Cl2F6N3O) contains a steroid core, an amide group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 15.0, corresponding to approximately 15 ring(s) or double-bond equivalent(s). With a molecular weight of 532.27 g/mol, it falls into the moderately-high-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), (3E)-3-{2-[2,6-dichloro-4-(trifluoromethyl)phenyl]hydrazin-1-ylidene}-1-{[3-(trifluoromethyl)phenyl]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 | C23H13Cl2F6N3O |
| Molecular Weight | 532.27 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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