4-(3-Methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonic acid(CAS: 89-36-1)

4-(3-Methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonic acid (CAS: 89-36-1) is an organic compound with the chemical formula C9H10N2O3S. It features a benzenesulfonic acid core with a substituted pyrazole ring, making it a key intermediate in pharmaceutical and chemical synthesis. The compound is typically a solid at room temperature and exhibits acidic properties due to the sulfonic acid group.

This compound is widely used in pharmaceuticals for drug development, particularly in anti-inflammatory and antiviral agents. It also serves as a precursor in agrochemicals, dyes, and materials science. Its applications span research, industrial processes, and specialty chemical formulations due to its reactivity and structural versatility.

Safety of 4-(3-Methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonic acid (CAS: 89-36-1) depends on handling conditions. It may cause skin or eye irritation and is corrosive due to the sulfonic acid group. Always use personal protective equipment (PPE) and follow safety data sheet (SDS) guidelines. Proper ventilation and adherence to industrial safety standards are essential for safe handling.

Store 4-(3-Methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonic acid (CAS: 89-36-1) in a cool, dry place at 2-8°C, away from light. Use airtight, moisture-proof containers to maintain stability. Avoid exposure to moisture and heat to prevent degradation. Ensure storage areas are well-ventilated and follow chemical storage best practices for safety.