Category:
Active Pharmaceutical Ingredients
CAS NO:
119-39-1
Standard:
In-house Standards,
1(2H)-Phthalazinone (CAS 119-39-1, C8H6N2O) is a heterocyclic intermediate synthesized via condensation of phthalic anhydride with hydrazine hydrate. It serves as a critical scaffold in pharmaceutical manufacturing.
Store in a cool, dry place away from oxidizers. Use appropriate PPE to avoid skin contact and inhalation; do not ingest. Regulatory approval required for clinical use.