Kinetin is a kind of endogenous cytokinin, which is one of the five major plant hormones. It’s chemical name is 6-Furfurylaminopurine (or N6-Furylmethyladenine). It is a natural plant endogenous hormone of purines, and it is also the first discovered by humans, which can be synthesized artificially already. It is hardly soluble in water, ethanol, ether and acetone and soluble in dilute acid or alkali and glacial acetic acid.