4-Oxo-3-(1-phenyl-1H-pyrazol-4-yl)-2-(trifluoromethyl)-4H-chromen-7-yl acetate CAS 303095-18-3
| CAS No. | 303095-18-3 |
| Molecular Formula | C21H13F3N2O4 |
| Molecular Weight | 414.33 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 4-Oxo-3-(1-phenyl-1H-pyrazol-4-yl)-2-(trifluoromethyl)-4H-chromen-7-yl acetate 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.
CATO supplies 4-Oxo-3-(1-phenyl-1H-pyrazol-4-yl)-2-(trifluoromethyl)-4H-chromen-7-yl acetate (CAS 303095-18-3), a certified reference material (molecular formula C21H13F3N2O4, MW 414.33 g/mol) for analytical method development and quality control.
Structurally, 4-Oxo-3-(1-phenyl-1H-pyrazol-4-yl)-2-(trifluoromethyl)-4H-chromen-7-yl acetate (C21H13F3N2O4) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage, fluorine 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 414.33 g/mol, it falls into the moderately-high-molecular-weight range. 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.
Physical & Chemical Properties
| Molecular Formula | C21H13F3N2O4 |
| Molecular Weight | 414.33 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
Recommended Standards
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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