Phthalazone

Phthalazone is an active pharmaceutical ingredient used in medicinal formulations for its therapeutic properties. It acts by influencing specific biochemical pathways to help manage certain medical conditions. Phthalazone is produced under controlled pharmaceutical standards to ensure purity, safety, and consistent performance in drug formulations. The directory classifies it as a unknown/inactive API with a synthetic source/manufacturing origin. Other names for this substance include 1-oxophthalazine and 1(2H)-Phthalazinone. It is also listed for alternate use as: API Impurity. Its PubChem CID is 8394.

CAS No 119-39-1
Molecular Formula C8H6N2O
Molecular Weight 146.15 g/mol
Synonyms 2H-phthalazin-1-one

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