| CAS No. | 61887-36-3 |
| Molecular Formula | C17H12ClNO2 |
| Molecular Weight | 297.74 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
CATO supplies 4-(3-Chloro-4-methylbenzylidene)-2-phenyloxazol-5(4H)-one (CAS 61887-36-3), a certified reference material (molecular formula C17H12ClNO2, MW 297.74 g/mol) for analytical method development and quality control.
Structurally, 4-(3-Chloro-4-methylbenzylidene)-2-phenyloxazol-5(4H)-one (C17H12ClNO2) contains a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 297.74 g/mol, it falls into the medium-molecular-weight range. 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).
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-(3-Chloro-4-methylbenzylidene)-2-phenyloxazol-5(4H)-one 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 | C17H12ClNO2 |
| Molecular Weight | 297.74 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; 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.) | 1974 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |