Category:
Active Pharmaceutical Ingredients
CAS NO:
50890-83-0
Standard:
In-house Standards,
1-Methylindazole-3-carboxylic acid (CAS 104826-57-9, C9H8N2O2) is a key heterocyclic intermediate synthesized via Vilsmeier-Haack formylation followed by cyclization. It serves as a critical scaffold for pharmaceutical development.
Store under inert atmosphere at 2-8°C. Use appropriate PPE to avoid skin contact; inhalation of dust may cause respiratory irritation. Not approved for direct clinical use without further derivatization.