3-Piperidinamine,N,4-dimethyl-1-(phenylmethyl)-,hydrochloride (1:2),(3S,4R)-

(3S,4R)-1-Benzyl-N,4-dimethylpiperidin-3-amine Dihydrochloride is the hydrochloride salt of (3S,4R)-1-Benzyl-N,4-dimethylpiperidin-3-amine (B276220) which is an intermediate in the synthesis of (3S,4R)-Tofacitinib (T528010). (3S,4R)-Tofacitinib is an enantiopure stereoisomer of the drug, Janus kinase 3(Jak3) inhibitor (CP-690,550) that has been found to inhibit selected members of the STE7 and STE20 subfamily of kinases.