Pyridazinone is a heterocyclic dinitrogen compound with one carbonyl which is known to have diverse biological activities such as anticonvulsant, analgesic, anti inflammatory, anti microbial, and anti hypertension. The pyridazinone 6-(4-chlorophenyl)pyridazin-3(2H)-one synthesized with 4-chloro acetophenone, glyoxylic acid and hydrazine hydrate by sealed-vessel reactor method. The purity of theā¦