| CAS No. | 1354941-28-8 |
| Molecular Formula | C20H22O |
| Molecular Weight | 278.39 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
(2E)-1-(2,4-Dimethylphenyl)-3-[4-(propan-2-yl)phenyl]prop-2-en-1-one (CAS 1354941-28-8), molecular formula C20H22O and molecular weight 278.39 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, (2E)-1-(2,4-Dimethylphenyl)-3-[4-(propan-2-yl)phenyl]prop-2-en-1-one (C20H22O) contains a steroid core, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 10.0, corresponding to approximately 10 ring(s) or double-bond equivalent(s). With a molecular weight of 278.39 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
| Molecular Formula | C20H22O |
| Molecular Weight | 278.39 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |