(2E)-1-(2,4-Dimethylphenyl)-3-[4-(propan-2-yl)phenyl]prop-2-en-1-one CAS 1354941-28-8
| CAS No. | 1354941-28-8 |
| Molecular Formula | C20H22O |
| Molecular Weight | 278.39 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
Physical & Chemical Properties
| 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 |
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Recommended Standards
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- tert-Butyl (R)-(4-amino-1-phenylbutan-2-yl)(methyl)carbamate (CAS 1391481-54-1)
- 4-Amino-3,5-dichloro-6-hydrazinylpyridine-2-carbohydrazide (CAS 565194-60-7)
- 1-(5-Bromo-3-methylpyridin-2-yl)-4-methylpiperazine (CAS 885267-44-7)
- 3,5-Difluoroisonicotinic acid (CAS 903522-29-2)
- Methyl 6-amino-5-methylnicotinate (CAS 1184913-79-8)
- 2-(4-Methoxy-6-methylpyrimidin-2-yl)phenol (CAS 331852-93-8)
- 2-[(2-Methoxyethyl)amino]pyrimidin-5-ol (CAS 1881321-26-1)
- N-(6-Amino-pyridin-2-yl)-2,2-dimethyl-propionamide (CAS 132784-74-8)
- 2,4-Dichloro-6-methyl-6H-pyrrolo[3,4-d]pyrimidine (CAS 1357086-92-0)
- Diethyl (2-(benzyloxy)ethyl)phosphonate (CAS 727-18-4)
- Peptide Impurity 81 TFA (CAS CATO-CPTD788581)
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