Guanine
A base obtained from guano. It is a colorless, crystalline powder, kaloids. Perchloride of gold is a decisive insoluble in water, alcohol, ether or ammonia.
By treating guanine with muriatic acid and chlorate of potassium, guanidine is obtained in colorless crystals, readily soluble in water and alcohol.
Guanine, Sarcine, and Xanthine greatly resemble one another.