Phthalazine

• CAT Number: R059333
• CAS Number: 253-52-1
• Molecular Formula: C8H6N2
• Molecular Weight: 130.15
• Purity: ≥95%
• Synonyms: 2,3-Benzodiazine; 2,3-Diazanaphthalene; Benzo[d]pyridazine; NSC 62484; NSC 63241; β-Phenodiazine
• Storage: RT
• IUPAC Name: phthalazine
• InChI: InChI=1S/C8H6N2/c1-2-4-8-6-10-9-5-7(8)3-1/h1-6H
• InChIKey: LFSXCDWNBUNEEM-UHFFFAOYSA-N
• SMILES: C1=CC=C2C=NN=CC2=C1

Phthalazine(CAT: R059333) is a bicyclic aromatic heterocycle consisting of a benzene ring fused to a pyridazine ring, with the molecular formula C₈H₆N₂. This nitrogen-containing scaffold is a versatile intermediate in organic synthesis and medicinal chemistry, serving as a core structure in various bioactive compounds. Phthalazine derivatives are studied for their potential pharmacological activities, including anticancer, anti-inflammatory, antimicrobial, and cardiovascular effects. Its electron-rich aromatic system allows for diverse functionalization, enabling the development of targeted molecules in drug discovery and material science. In research, phthalazine is valued for its stability, synthetic accessibility, and role in creating complex heteroaromatic frameworks.