| CAS No. | 338748-63-3 |
| Molecular Formula | C20H21F3N4O4 |
| Molecular Weight | 438.40 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
The occurrence of 2-[4-(4-Nitrophenyl)piperazin-1-yl]ethyl N-[3-(trifluoromethyl)phenyl]carbamate is closely related to a flavonoid core, an amide group, a hydroxyl group, an ether linkage, fluorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
2-[4-(4-Nitrophenyl)piperazin-1-yl]ethyl N-[3-(trifluoromethyl)phenyl]carbamate (CAS 338748-63-3), molecular formula C20H21F3N4O4 and molecular weight 438.40 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2-[4-(4-Nitrophenyl)piperazin-1-yl]ethyl N-[3-(trifluoromethyl)phenyl]carbamate (C20H21F3N4O4) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 11.0, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 438.40 g/mol, it falls into the moderately-high-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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.
CATO manufactures 2-[4-(4-Nitrophenyl)piperazin-1-yl]ethyl N-[3-(trifluoromethyl)phenyl]carbamate under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
| Molecular Formula | C20H21F3N4O4 |
| Molecular Weight | 438.40 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 4 |