Perchlorate (ClO4-) Back Catalog number: 57002 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10652.22-K-AN Oxytetracycline, 96%,1000 µg/mL,acetonitrile,1mL, Price on request 673641 Monocrotophos, 10 µg/ml, Ethyl acetate, 10ml Price on request PCB-IS-B100 Mass-Labelled PCB Solution/Mixture , 1.2ml, nonane Price on request