(2E)-2-[(2,4-Dichlorophenyl)methylidene]-4-methyl-3-oxo-4-(1H-1,2,4-triazol-1-yl)pentanenitrile CAS 338758-24-0
| CAS No. | 338758-24-0 |
| Molecular Formula | C15H12Cl2N4O |
| Molecular Weight | 335.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), (2E)-2-[(2,4-Dichlorophenyl)methylidene]-4-methyl-3-oxo-4-(1H-1,2,4-triazol-1-yl)pentanenitrile 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.
(2E)-2-[(2,4-Dichlorophenyl)methylidene]-4-methyl-3-oxo-4-(1H-1,2,4-triazol-1-yl)pentanenitrile (CAS 338758-24-0), molecular formula C15H12Cl2N4O and molecular weight 335.19 g/mol, is a CATO reference standard with documented purity and traceability.
(2E)-2-[(2,4-Dichlorophenyl)methylidene]-4-methyl-3-oxo-4-(1H-1,2,4-triazol-1-yl)pentanenitrile (C15H12Cl2N4O) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. Halogen substitution raises its density and boiling point; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C15H12Cl2N4O |
| Molecular Weight | 335.19 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
Related E Standards
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Recommended Standards
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- (2Z,3E)-1-(4-Chlorophenyl)-2-[2-(4-chlorophenyl)hydrazin-1-ylidene]-3-hydrazinylidenepropan-1-one (CAS 338414-12-3)
- 2-[2-Bromo-5-(phenylmethoxy)phenyl]-1,3-dioxolane (CAS 173427-53-7)
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