| CAS No. | 866050-52-4 |
| Molecular Formula | C17H12Cl2N4O3 |
| Molecular Weight | 391.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
(Z)-[1-(Pyrazin-2-yl)ethylidene]amino 3-(2,6-dichlorophenyl)-5-methyl-1,2-oxazole-4-carboxylate (CAS 866050-52-4), molecular formula C17H12Cl2N4O3 and molecular weight 391.21 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C17H12Cl2N4O3, (Z)-[1-(Pyrazin-2-yl)ethylidene]amino 3-(2,6-dichlorophenyl)-5-methyl-1,2-oxazole-4-carboxylate contains a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 391.21 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
CATO manufactures (Z)-[1-(Pyrazin-2-yl)ethylidene]amino 3-(2,6-dichlorophenyl)-5-methyl-1,2-oxazole-4-carboxylate 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 | C17H12Cl2N4O3 |
| Molecular Weight | 391.21 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |