Citrovorum factor
(6S)-5-formyltetrahydrofolate(2-) is a dicarboxylic acid dianion arising from deprotonation of both carboxylic acid groups of (6S)-5-formyltetrahydrofolic acid. It has a role as a human metabolite and a Saccharomyces cerevisiae metabolite. It is a conjugate base of a (6S)-5-formyltetrahydrofolic acid.