1. CAS No.:1211-29-6 Cyclopentaneaceticacid, 3-oxo-2-(2Z)-2-penten-1-yl-, methyl ester, (1R,2R)-Czech Republic olchemim@atlas.czOlchemim Mr.FrohlichWe are intereested in kg quantities of this compound. Ludek Frohlich2. CAS No.:9000-91-3 beta-AmylaseCubahostmaster@ITESM.MX ITESM Quality Standards: food 节快乐 everyone!