Ethyl 3-(N-ethyl-4-methylbenzamido)propanoate CAS 1907052-48-5
| CAS No. | 1907052-48-5 |
| Molecular Formula | C15H21NO3 |
| Molecular Weight | 263.33 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The molecular framework of Ethyl 3-(N-ethyl-4-methylbenzamido)propanoate (C15H21NO3) is characterized by a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by its high hydrophobicity (logP), which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Ethyl 3-(N-ethyl-4-methylbenzamido)propanoate (CAS 1907052-48-5), molecular formula C15H21NO3 and molecular weight 263.33 g/mol, is a CATO reference standard with documented purity and traceability.
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.
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 | C15H21NO3 |
| Molecular Weight | 263.33 g/mol |
| Appearance | Off-white to pale 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Nitrogen Atoms | 1 |
Recommended Standards
- NH2-PEG3-C1-Boc (CAS 189808-70-6)
- Ethyl 3-(N-ethyl-3-methylbenzamido)propanoate (CAS 1908259-42-6)
- 3-(4-Isopropylbenzylidene)-2-indolinone (CAS 186611-55-2)
- Benzyl (S)-2-(2-hydroxyethyl)piperidine-1-carboxylate (CAS 190967-63-6)
- (2-Cyclopropoxy-4-(trifluoromethyl)phenyl)(methyl)sulfane (CAS 1243384-19-1)
- Benzyl (1-amino-3-(1H-indol-3-yl)-1-oxopropan-2-yl)carbamate (CAS 27018-75-3)
- [(5-methylfuran-2-yl)methyl](4-methylpentyl)amine (CAS 1184397-90-7)
- 1-[3-(4-Chlorophenyl)-5-(methylsulfanyl)thiophene-2-carbonyl]pyrrolidine (CAS 477857-95-7)
- Vonoprazan Fumarate impurity 44 (CAS 881733-36-4（free base）)
- 2-(Methylamino)pentanenitrile hydrochloride (CAS 1672675-22-7)
- 3-Chloro-1-(4-nitrophenyl)-5-(trifluoromethyl)pyridin-2-one (CAS 1984149-71-4)
- 1-O-Acyl-Ceramide (CAS 1246303-19-4)
- 6-Methyl-2-oxo-1,2,3,4-tetrahydroquinoxaline-5-carbonitrile (CAS 573692-38-3)
- Semaglutide Impurity 14(Discontinued,See CPTD788307 ) (CAS CATO-C4X-222614)
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