structural formula business number 02c9 molecular formula c7h8n2o3 molecular weight 168.15 label red base b, red bass b, 1-amino-2-methoxy-4-nitrobenzene, 4-nitro-o-anisidine 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:97-52-9 mdl number:mfcd00007363 einecs number:202-588-6 rtecs number:bz7170000 brn...