| CAS No. | 1311279-56-7 |
| Molecular Formula | C16H11ClF3N5O2 |
| Molecular Weight | 397.74 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
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.
1311279-56-7 1-(4'-Chlorophenyl)-3-[3''-(5'''-(trifluoromethyl)pyridin-2'''-yl)- -[1'',2'',4'']oxadiazol-5''-ylmethyl]urea MFCD19981143 (CAS 1311279-56-7) is a high-purity analytical reference standard with the molecular formula C16H11ClF3N5O2 and a molecular weight of 397.74 g/mol.
Based on its molecular formula C16H11ClF3N5O2, 1311279-56-7 1-(4'-Chlorophenyl)-3-[3''-(5'''-(trifluoromethyl)pyridin-2'''-yl)- -[1'',2'',4'']oxadiazol-5''-ylmethyl]urea MFCD19981143 contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 397.74 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.
CATO manufactures 1311279-56-7 1-(4'-Chlorophenyl)-3-[3''-(5'''-(trifluoromethyl)pyridin-2'''-yl)- -[1'',2'',4'']oxadiazol-5''-ylmethyl]urea MFCD19981143 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 | C16H11ClF3N5O2 |
| Molecular Weight | 397.74 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 5 |