CAS 2138507-91-0 appears in our catalog under these names: 1-Cyclobutylpropan-1-amine hydrochloride, 1-Cyclobutylpropan-1-amine hydrochloride 95%, 1-Cyclobutylpropan-1-amine hydrochloride, 95%, 95%, 1-cyclobutylpropan-1-amine hydrochloride, 98%. Offered by: Biosynth, Ambeed, Chemat, Fluorochem. Available pack sizes: 1g, 100mg, 50mg, 250mg.