(E)-5-chloro-1-methyl-3-(trifluoromethyl)-1H-pyrazole-4-carbaldehyde O-(3-(trifluoromethyl)benzoyl) oxime CAS 318284-52-5
| CAS No. | 318284-52-5 |
| Molecular Formula | C14H8ClF6N3O2 |
| Molecular Weight | 399.68 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), (E)-5-chloro-1-methyl-3-(trifluoromethyl)-1H-pyrazole-4-carbaldehyde O-(3-(trifluoromethyl)benzoyl) oxime 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.
CATO supplies (E)-5-chloro-1-methyl-3-(trifluoromethyl)-1H-pyrazole-4-carbaldehyde O-(3-(trifluoromethyl)benzoyl) oxime (CAS 318284-52-5), a certified reference material (molecular formula C14H8ClF6N3O2, MW 399.68 g/mol) for analytical method development and quality control.
(E)-5-chloro-1-methyl-3-(trifluoromethyl)-1H-pyrazole-4-carbaldehyde O-(3-(trifluoromethyl)benzoyl) oxime (C14H8ClF6N3O2) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution. It is notably hygroscopic, halogen substitution raises its density and boiling point, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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.
Physical & Chemical Properties
| Molecular Formula | C14H8ClF6N3O2 |
| Molecular Weight | 399.68 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, 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 3 |
Related E Standards
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Recommended Standards
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