4-Oxo-3-(1-phenyl-1H-pyrazol-4-yl)-2-(trifluoromethyl)-4H-chromen-7-yl acetate CAS 303095-18-3
Purity 97%+In StockPharmaceutical Standards
| 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
4-Oxo-3-(1-phenyl-1H-pyrazol-4-yl)-2-(trifluoromethyl)-4H-chromen-7-yl acetate (CAS 303095-18-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C21H13F3N2O4. Molecular weight: 414.33 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
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
- 4-[(1E)-{[3-(trifluoromethyl)phenyl]imino}methyl]phenyl 4-nitrobenzoate (CAS 331461-06-4)
- N,N'-((4-Hydroxy-3-methoxyphenyl)methylene)bis(2,5-dioxo-2,5-dihydro-1H-pyrrole-1-carboxamide) (CAS 6950-42-1)
- 2-[(2,6-Dichlorophenyl)methyl]-6-phenyl-5-(piperidin-1-yl)-2,3-dihydropyridazin-3-one (CAS 478029-32-2)
- 2-(2-Ethylbenzofuran-3-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 956579-13-8)
- N-(2-(1-Acetyl-5-(quinolin-6-yl)-4,5-dihydro-1H-pyrazol-3-yl)phenyl)methanesulfonamide (CAS 923186-95-2)
- 4-Amino-N-(1-phenyl-1H-pyrazol-4-yl)benzenesulfonamide (CAS 15520-50-0)
- N,N-diethyl-2-methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzamide (CAS 2093041-44-0)
- 3-Phenylisoxazol-5-yl 2,4-dichlorobenzenesulfonate (CAS 320423-37-8)
- 4-Bromo-2,6-diethynylpyridine (CAS 1374038-64-8)
- Des-Ser32-Tirzepatide (CAS CATO-CPTD788942)
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