CAS Registry Number

CAS 1820-80-0 — 3-Aminopyrazole

3-Aminopyrazole is a heterocyclic amine with a pyrazole ring structure, widely used as a key intermediate in pharmaceutical synthesis, agrochemicals, and organic chemistry research. It serves as a building block for APIs, dyes, and specialty polymers due to its reactivity and nitrogen-containing functionality. This chemical has a CAS number of 1820-80-0, a molecular formula of C₃H₅N₃ (or C₃N₂H₃NH₂), and a molecular weight of 83.09 g/mol. It is stable under ambient storage conditions and carries no signal word for hazard classification. Molekula supplies 3-Aminopyrazole from research to bulk quantities with full documentation and ISO 9001:2015 traceability.