structural formula business number 0175 molecular formula c4h6n4o molecular weight 126.12 label 2,4-diamino-6-hydroxypyrimidine, 2,6-diamino-4-pyrimidinol, 2,6-diamino-4-pyrimidinone, heterocyclic compounds numbering system physical property data toxicological data ecological data molecular structure data computing chemical data more properties and stability storage method synthesis method purpose numbering system cas number:56-06-4 mdl number:mfcd00149408 einecs number:200-254-4 rtecs number:none brn number:125006 pubchem number:24278824...