Ethyl 2-(1-(3-nitrophenyl)-1H-pyrazol-5-yl)-3-phenylpropanoate CAS 477710-93-3
| CAS No. | 477710-93-3 |
| Molecular Formula | C20H19N3O4 |
| Molecular Weight | 365.38 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 365.38 g/mol gives Ethyl 2-(1-(3-nitrophenyl)-1H-pyrazol-5-yl)-3-phenylpropanoate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Ethyl 2-(1-(3-nitrophenyl)-1H-pyrazol-5-yl)-3-phenylpropanoate (CAS 477710-93-3) is a high-purity analytical reference standard with the molecular formula C20H19N3O4 and a molecular weight of 365.38 g/mol.
Structurally, Ethyl 2-(1-(3-nitrophenyl)-1H-pyrazol-5-yl)-3-phenylpropanoate (C20H19N3O4) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 13.0, corresponding to approximately 13 ring(s) or double-bond equivalent(s). With a molecular weight of 365.38 g/mol, it falls into the moderately-high-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.
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 | C20H19N3O4 |
| Molecular Weight | 365.38 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 DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 3 |
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- 1-(5-Methyl-1-(2,4,6-trichlorophenyl)-1H-1,2,4-triazol-3-yl)ethanone (CAS 1000572-05-3)
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