Description

Pyrido[2,3-D]pyridazin-5(6H)-one (CAS No. 15370-81-7) is a high-purity heterocyclic organic compound with the molecular formula C₇H₅N₃O. This specialized chemical is widely utilized in pharmaceutical research, medicinal chemistry, and material science due to its unique fused pyridopyridazine scaffold. The product is supplied as a fine powder with ≥95% purity (HPLC) and is rigorously tested for quality assurance, including NMR and mass spectrometry verification. Its IUPAC name is 6H-pyrido[2,3-d]pyridazin-5-one, and it exhibits excellent stability under standard laboratory conditions when stored at 2-8°C in a sealed, light-protected container. Researchers value this compound for its potential as a building block in drug discovery, particularly for kinase inhibitors and CNS-targeted therapeutics.

Properties

• CAS Number: 15370-81-7
• Complexity: 202
• IUPAC Name: 6H-pyrido[2,3-d]pyridazin-5-one
• InChI: InChI=1S/C7H5N3O/c11-7-5-2-1-3-8-6(5)4-9-10-7/h1-4H,(H,10,11)
• InChI Key: DHLCTHXZKHGREA-UHFFFAOYSA-N
• Exact Mass: 147.043261791
• Molecular Formula: C7H5N3O
• Molecular Weight: 147.13
• SMILES: C1=CC2=C(C=NNC2=O)N=C1
• Topological: 54.4
• Monoisotopic Mass: 147.043261791
• Synonyms: PYRIDO[2,3-D]PYRIDAZIN-5(6H)-ONE, 15370-81-7, 1H,5H-pyrido[2,3-d]pyridazin-5-one, 1314978-79-4, 6H-pyrido[2,3-d]pyridazin-5-one, Pyrido[2,3-d]pyridazin-5(1H)-one, Pyrido[2,3-d]pyridazin-5-ol, MFCD18253739, SCHEMBL5964461, SCHEMBL7365394, DHLCTHXZKHGREA-UHFFFAOYSA-N, PCC97879, pyrido[3,2-d]pyridazin-8(7H)-one, AKOS006223489, AKOS027252208, AS-42422, CS-0262030, CS-0380675, EN300-80961, G59004, Z1250092421

Application

Pyrido[2,3-D]pyridazin-5(6H)-one serves as a key intermediate in the synthesis of bioactive molecules targeting neurological disorders and cancer pathways. Its fused heterocyclic structure makes it valuable for developing novel kinase inhibitors and allosteric modulators in medicinal chemistry. The compound’s electron-rich system facilitates diverse functionalization reactions for structure-activity relationship studies.

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