tert-Butyl 4-(2-(4-(ethoxycarbonyl)-1H-pyrazol-1-yl)pyridin-4-yl)piperazine-1-carboxylate CAS 1956366-74-7

Purity 97%+In StockPharmaceutical Standards
CAS No.1956366-74-7
Molecular FormulaC20H27N5O4
Molecular Weight401.46 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

tert-Butyl 4-(2-(4-(ethoxycarbonyl)-1H-pyrazol-1-yl)pyridin-4-yl)piperazine-1-carboxylate CAS 1956366-74-7 chemical structure

Description

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.

Physical & Chemical Properties

Molecular FormulaC20H27N5O4
Molecular Weight401.46 g/mol
AppearancePale yellow to yellow crystalline powder
Purity97%+
StorageStore in a cool place (≤25°C), protect from light, keep sealed and dry
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)10.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1996
Nitrogen Atoms5

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