Category:
Other Specialized Reagents
CAS NO:
500011-95-0
Standard:
ChP,
2-(3-chloro-pyridin-2-yl)-5-oxo-2,5-dihydro-1H-pyrazole-3-carboxylic acid ethyl ester (CAS: 1207864-93-2) is a key heterocyclic intermediate with formula C12H11ClN2O3. Synthesized via condensation of ethyl acetoacetate and hydrazine derivatives, it serves as a critical scaffold for pharmaceutical development.