CWA Organophosphorous Pesticides Back Catalog number: 38135 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended C641500 Colistin Sulfate, 1g Price on request 81411 Ethoprop Price on request 8751.21-50-T 2,2-Bis[3,5-dibromo-4-(2,3-dibromopropoxy)phenyl]propane, 50µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 21850-44-2 Price on request