| CAS No. | 1956366-74-7 |
| Molecular Formula | C20H27N5O4 |
| Molecular Weight | 401.46 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
tert-Butyl 4-(2-(4-(ethoxycarbonyl)-1H-pyrazol-1-yl)pyridin-4-yl)piperazine-1-carboxylate (C20H27N5O4) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
tert-Butyl 4-(2-(4-(ethoxycarbonyl)-1H-pyrazol-1-yl)pyridin-4-yl)piperazine-1-carboxylate (CAS 1956366-74-7) is a high-purity analytical reference standard with the molecular formula C20H27N5O4 and a molecular weight of 401.46 g/mol.
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 tert-Butyl 4-(2-(4-(ethoxycarbonyl)-1H-pyrazol-1-yl)pyridin-4-yl)piperazine-1-carboxylate 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 | C20H27N5O4 |
| Molecular Weight | 401.46 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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 |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
| Nitrogen Atoms | 5 |