Adenine [6-Aminopurine] [Vitamin B4] USP, 5 Grams

A nucleobase with a variety of roles in biochemistry including cellular respiration, in the form of both the energy-rich adenosine triphosphate and the cofactors nicotinamide adenine dicucleotide and flavin adenine dinucleotide, and protein synthesis, as a chemical component of DNA and RNA.