| CAS No. | 1164526-25-3 |
| Molecular Formula | C20H20N2O |
| Molecular Weight | 304.39 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 304.39 g/mol gives 2-Benzyl-6-[(E)-2-(4-methylphenyl)ethenyl]-2,3,4,5-tetrahydropyridazin-3-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2-Benzyl-6-[(E)-2-(4-methylphenyl)ethenyl]-2,3,4,5-tetrahydropyridazin-3-one (CAS 1164526-25-3), molecular formula C20H20N2O and molecular weight 304.39 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2-Benzyl-6-[(E)-2-(4-methylphenyl)ethenyl]-2,3,4,5-tetrahydropyridazin-3-one (C20H20N2O) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. 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 304.39 g/mol, it falls into the moderately-high-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).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 2-Benzyl-6-[(E)-2-(4-methylphenyl)ethenyl]-2,3,4,5-tetrahydropyridazin-3-one meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
| Molecular Formula | C20H20N2O |
| Molecular Weight | 304.39 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Nitrogen Atoms | 2 |