CAS Registry Number

CAS 156-83-2 — 4-Chloro-2,6-diaminopyrimidine (2,4-Diamino-6-chloropyrimidine)

4-Chloro-2,6-diaminopyrimidine (2,4-Diamino-6-chloropyrimidine) is an aromatic heterocyclic compound primarily used as a key intermediate in pharmaceutical synthesis, particularly for the production of antimalarial drugs like pyrimethamine, as well as in agrochemicals and other fine chemicals. It has a CAS number of 156-83-2, a molecular formula of C4H5ClN4, and a molecular weight of 144.56. It is stable under ambient storage conditions and carries no signal word for hazard classification. Molekula supplies 4-Chloro-2,6-diaminopyrimidine from research to bulk quantities with full documentation and ISO 9001:2015 traceability.