CAS 59981-63-4 appears in our catalog under these names: (6S)-4,5,6,7-Tetrahydro-1H-imidazo[4,5-c]pyridine-6-carboxylic acid, 95%, Spinacine/ 100%, L–4,5,6,7–Tetrahydro–1H–imidazo(4,5–c)pyridine–6–carboxylic acid, L-4,5,6,7-Tetrahydro-1H-imidazo(4,5-c)pyridine-6-carboxylic acid, Spinacine 97%. Offered by: Combi-blocks, TargetMol, GLPBio, Biosynth, Ambeed. Available pack sizes: 1g, 5g, 25mg, 50mg, 25g, 10g, 50g, 100mg.