PCB No. 156, 10µg/ml in Isooctane, 10ml Back Catalog number: L20015600IO Availability: In the manufacturer's stock Price on request - + Recommended 673247 Demeton-S-methyl, 100 µg/ml, Acetonitrile, 5ml Price on request C16995100 Sulfamerazine, certified, 0.25g Price on request 31251 1,1-Dichloroethene, 2000µg/ml in MeOH, 1ml Price on request