4-Benzoyl-1-phenethylpyrrolidine-2,3-dione CAS 7399-22-6
| CAS No. | 7399-22-6 |
| Molecular Formula | C19H17NO3 |
| Molecular Weight | 307.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Benzoyl-1-phenethylpyrrolidine-2,3-dione (CAS 7399-22-6), molecular formula C19H17NO3 and molecular weight 307.34 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 4-Benzoyl-1-phenethylpyrrolidine-2,3-dione (C19H17NO3) 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 307.34 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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.
Physical & Chemical Properties
| Molecular Formula | C19H17NO3 |
| Molecular Weight | 307.34 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1959 |
| Nitrogen Atoms | 1 |
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Recommended Standards
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- 4-[2-(2,6-dimethylmorpholin-4-yl)-2-oxoethoxy]-3-methoxybenzaldehyde (CAS 379726-78-0)
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- 3,5-Dibromo-L-phenylalanine (CAS 634917-08-1)
- 2-(4-Fluoro-3-methyl-2-(trifluoromethyl)phenyl)acetonitrile (CAS 1706446-60-7)
- 3-[1-oxo-5-(4-piperidyl)isoindolin-2-yl]piperidine-2,6-dione (CAS 2222115-40-2)
- 5-methylimidazo[1,2-a]pyridine-3-carboxylic acid (CAS 1159832-24-2)
- 2-Isopropylisoquinolin-1(2H)-one (CAS 101712-97-4)
- (2R,3R,4S,5S,6S)-2-(acetoxymethyl)-6-(p-tolylthio)tetrahydro-2H-pyran-3,4,5-triyl triacetate (CAS 358681-69-3)
- Brexpiprazole Impurity 160 (CAS CATO-C4X-1131160)
- Z-DL-Orn(Boc)-OH (CAS 199924-46-4)
- 2-(3-Methyl-1H-pyrazol-4-yl)benzo[d]thiazole (CAS 654064-97-8)
- Tau Peptide (294-305) (human) trifluoroacetate salt (CAS 1428135-29-8)
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