Category:
Other Specialized Reagents
CAS NO:
198348-89-9
Standard:
USP,
5-Nitro-1H-pyrazole-3-carboxylic acid (CAS 67920-87-4, C4H3N3O4) is a heterocyclic intermediate synthesized via nitration of pyrazole derivatives. It serves as a critical building block for pharmaceutical APIs and agrochemicals.
Store in a cool, dry, well-ventilated area away from oxidizers. Handle with appropriate PPE due to potential irritant properties; avoid inhalation or skin contact during processing.