| CAS No. | 337924-81-9 |
| Molecular Formula | C19H17F3N2O |
| Molecular Weight | 346.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
4-(4-tert-Butylphenoxy)-2-(trifluoromethyl)quinazoline (CAS 337924-81-9) is a high-purity analytical reference standard with the molecular formula C19H17F3N2O and a molecular weight of 346.35 g/mol.
Structurally, 4-(4-tert-Butylphenoxy)-2-(trifluoromethyl)quinazoline (C19H17F3N2O) contains a steroid core, an amide group, a hydroxyl group, an ether linkage, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 11.0, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 346.35 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.
CATO manufactures 4-(4-tert-Butylphenoxy)-2-(trifluoromethyl)quinazoline 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.
| Molecular Formula | C19H17F3N2O |
| Molecular Weight | 346.35 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 | F-containing |
| Nitrogen Atoms | 2 |