structural formula business number 016g molecular formula c19h24n8o7 molecular weight 440.41 label 4-amino-pga, 4-aminofolic acid, 4-aminopteroyl-l-glutamic acid 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:54-62-6 mdl number:mfcd00036692 einecs number:200-209-9 rtecs number:ma1050000 brn number:69045 pubchem number:24278186...