(S)-2-(4-((2-Amino-7-methyl-4-oxo-4,8-dihydropteridin-6-yl)amino)benzamido) Pentanedioic Acid is an impurity of Folic Acid (F680300) which is a vitamin needed to synthesize DNA, conduct DNA repair and methylate DNA, it also acts as a cofactor in biological reactions involving folate.