Spermidine, also known as spermidine trihydrochloride, is a polyamine. It is widely distributed in living organisms and is biosynthesized from putrescine (butylenediamine) and adenosine methionine. Spermidine can inhibit neuronal synthase, bind and precipitate DNA. It can also be used to purify DNA binding proteins and stimulate T4 polynucleotide kinase activity.
spermidine is a low molecular weight aliphatic carbide containing 3 amine groups and is one of the natural polyamines present in all living organisms. It is an important raw material for drug synthesis and is widely used in the synthesis of pharmaceutical intermediates.