4-Hydroxypyridine

• CAT Number: R023034
• CAS Number: 626-64-2
• Molecular Formula: C5H5NO
• Molecular Weight: 95.10
• Purity: ≥95%
• Synonyms: 4-Pyridinol; 4-Pyridol; NSC 5080; γ-Hydroxypyridine
• Storage: Store at RT
• IUPAC Name: 1H-pyridin-4-one
• InChI: InChI=1S/C5H5NO/c7-5-1-3-6-4-2-5/h1-4H,(H,6,7)
• InChIKey: GCNTZFIIOFTKIY-UHFFFAOYSA-N
• SMILES: C1=CNC=CC1=O

4-Hydroxypyridine(CAT: R023034) is a heteroaromatic compound with the molecular formula C₅H₅NO, consisting of a pyridine ring bearing a hydroxyl group at the 4-position. It typically exists in tautomeric equilibrium with its keto form, 4-pyridone, especially in aqueous solutions. Appearing as a white to off-white crystalline solid, it is soluble in water and polar organic solvents. 4-Hydroxypyridine serves as an important intermediate in the synthesis of pharmaceuticals, agrochemicals, and dyes, as well as heterocyclic building blocks for advanced materials. Its hydroxyl functionality enables further chemical modifications, while the pyridine ring imparts versatile reactivity in coordination chemistry and medicinal chemistry research.