| CAS No. | 338992-20-4 |
| Molecular Formula | C26H30BrFN4O4 |
| Molecular Weight | 561.44 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Based on its molecular formula C26H30BrFN4O4, 4-[[[4-[(4-bromo-2-fluorophenyl)amino]-6-methoxy-7-quinazolinyl]oxy]methyl]-1-Piperidinecarboxylic acid 1,1-dimethylethyl ester contains a steroid core, an amide group, a hydroxyl group, an ether linkage, fluorine/bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 561.44 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
4-[[[4-[(4-bromo-2-fluorophenyl)amino]-6-methoxy-7-quinazolinyl]oxy]methyl]-1-Piperidinecarboxylic acid 1,1-dimethylethyl ester (CAS 338992-20-4), molecular formula C26H30BrFN4O4 and molecular weight 561.44 g/mol, is a CATO reference standard with documented purity and traceability.
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-[(4-bromo-2-fluorophenyl)amino]-6-methoxy-7-quinazolinyl]oxy]methyl]-1-Piperidinecarboxylic acid 1,1-dimethylethyl ester 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 | C26H30BrFN4O4 |
| Molecular Weight | 561.44 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F/Br-containing |
| Nitrogen Atoms | 4 |