| CAS No. | 163217-77-4 |
| Molecular Formula | C26H25NO3 |
| Molecular Weight | 399.48 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
The occurrence of 163217-77-4 4-Methyl-3-oxo-N-[2-(phenylmethoxy)phenyl]-2-(phenylmethylene)pentanamide N-2-Benzyloxyphenyl |A-Benzilidene Isobutyrylacetamide is closely related to a steroid core, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
163217-77-4 4-Methyl-3-oxo-N-[2-(phenylmethoxy)phenyl]-2-(phenylmethylene)pentanamide N-2-Benzyloxyphenyl |A-Benzilidene Isobutyrylacetamide (CAS 163217-77-4), molecular formula C26H25NO3 and molecular weight 399.48 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C26H25NO3, 163217-77-4 4-Methyl-3-oxo-N-[2-(phenylmethoxy)phenyl]-2-(phenylmethylene)pentanamide N-2-Benzyloxyphenyl |A-Benzilidene Isobutyrylacetamide contains a steroid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 399.48 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).
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.
As a certified reference material (CRM), 163217-77-4 4-Methyl-3-oxo-N-[2-(phenylmethoxy)phenyl]-2-(phenylmethylene)pentanamide N-2-Benzyloxyphenyl |A-Benzilidene Isobutyrylacetamide 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 | C26H25NO3 |
| Molecular Weight | 399.48 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2003 |
| Nitrogen Atoms | 1 |