PCB No. 18, certified, 25mg Back Catalog number: C20001800 Availability: In the manufacturer's stock Price on request - + Recommended 30042R EPA Method 531.1 - Analytes Price on request 674766 Rotenone, 250mg Price on request 1494.22-K-IO 2-Methylheneicosane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1560-82-3 Price on request