7-Methyl-8-(methylamino)-10-((2S,3S,4R)-2,3,4,5-tetrahydroxypentyl)benzo[g]pteridine-2,4(3H,10H)-dione can be useful in the study of roseoflavin producer Streptomyces davaonensis and its catalytic capacity and specific genetic adaptations with regard to the biosynthesis of riboflavin.