Adenine [6-Aminopurine] [Vitamin B4] USP, 500 G

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. Common Name: [6-Aminopurine] [Vitamin B4] CAS Number: 73-24-5 Molecular Weight: 135.13 Chemical Formula: C5H5N5 Solubility: Water, Hot Alcohol Storage Temperature: Room Temperature Storage Conditions: Room Temperature Appearance: White to almost white powder almost white to slightly yellowish crystalline powder Identification (IR): Conforms to reference Identification (Retention Time): Conforms to retention time of reference solution. Assay (HPLC, Dry Basis): 98.0 - 102.0 % Loss on Drying 110 oC for 4Hrs: 1.0 % Residue on Ignition: 0.1 % Related Compounds (Individual Impurities): 0.1 % Related Compounds (Total Impurities): 2.0 % Heavy Metals (as Pb): 10 ppm Total Aerobic Microbial Count (TA