Category:
Active Pharmaceutical Ingredients
CAS NO:
137-45-1
Standard:
n-house Standards,
1,2-Dihydro-3H-pyrazol-3-one is a key heterocyclic intermediate used in pharmaceutical synthesis. The molecular formula is C3H4N2O with CAS No. 108-27-6. Core production involves condensation reactions of hydrazine hydrate with beta-keto esters or malonic acid derivatives under controlled thermal conditions.
Store in a cool, dry, well-ventilated area away from oxidizers. Personnel must wear chemical-resistant gloves and eye protection during handling to prevent skin irritation. Avoid ingestion and inhalation of dust; ensure adequate ventilation in processing zones.