(E)-1-butyl-2-((3,4-difluorobenzylidene)amino)-4,5-diphenyl-1H-pyrrole-3-carbonitrile CAS 478032-79-0
| CAS No. | 478032-79-0 |
| Molecular Formula | C28H23F2N3 |
| Molecular Weight | 439.50 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(E)-1-butyl-2-((3,4-difluorobenzylidene)amino)-4,5-diphenyl-1H-pyrrole-3-carbonitrile (CAS 478032-79-0) is a high-purity analytical reference standard with the molecular formula C28H23F2N3 and a molecular weight of 439.50 g/mol.
Based on its molecular formula C28H23F2N3, (E)-1-butyl-2-((3,4-difluorobenzylidene)amino)-4,5-diphenyl-1H-pyrrole-3-carbonitrile contains a nitrogen-containing heterocyclic scaffold, a nitrile group, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 439.50 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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.
CATO manufactures (E)-1-butyl-2-((3,4-difluorobenzylidene)amino)-4,5-diphenyl-1H-pyrrole-3-carbonitrile under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C28H23F2N3 |
| Molecular Weight | 439.50 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) | 18.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 3 |
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Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com