Parathion-ethyl, 100 µg/ml, Toluene, 1ml Back Catalog number: 677981 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 10883.18-10MG 16?-Hydroxy-17ß-estradiol-2,4-d2,neat,neat,10mg, Price on request 676140 Acetic acid-sec.-butyl ester, 250mg Price on request MFBET 2-Perfluorobutyl-[1,1,2,2-2H4]-ethanol (4:2), 50µg/ml in MeOH, 1,2ml Price on request