structural formula business number 0176 molecular formula c4h5n3o2 molecular weight 127 label 2-amino-4,6-pyrimidinediol 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:56-09-7 mdl number:mfcd00006094 einecs number:200-256-5 rtecs number:uw7361000 brn number:510297 pubchem number:24890936 physical property data 1....