Synonym(s): Ethyl N-Boc-piperidine-4-carboxylate, Piperidine-1,4-dicarboxylic acid 1-tert-butyl ester 4-ethyl ester Formula: C13H23NO4 Formula weight: 257.33 Purity: 97+% CAS Number: 142851-03-4 Harmonized Tariff Code:  2933.39