Adenine

Synonym: 6-aminopurine, vitamin B4 Formula : C5H5N5 Molecular weight: 135.13 g/mol CAS Number: 73-24-5 EC Number: 200-796-1 Specification: Appearance: Light yellow powder minimum purity: 99% melting point: >360 °C - density dec .: 1,600 g/cm3 at 20 °C Solubility in H2O: 1.03 g/L (20°C) DANGER. Toxic if swallowed. IF