CAS 134003-04-6 appears in our catalog under these names: (1R,4S)-4-Aminocyclopent-2-enecarboxylic acid, 97%, (1R,4S)-4-Aminocyclopent-2-enecarboxylic acid, 98%, (1R，4S)–4–Aminocyclopent–2–enecarboxylic acid, (1R,4S)-4-Aminocyclopent-2-enecarboxylic acid, 95%. Offered by: Combi-blocks, AmBeed, GLPBio, Fluorochem. Available pack sizes: 100mg, 1g, 250mg, 5g, 10g, 1mg.