2,4’-Dichlorobenzophenone

ISO 9377-2Mod Standard Mixture of n-Alkanes + BTEX I S-4423-50-5PE C7+C10+ C20+C40+BTEX (without p-Xylene) in n-Pentane Determination of Hydrocarbon Oil in Water Index 9 Analytes; each 50µg/mL in n-pentane; units: 1x1mL, 1x5mL, 10x1mL Benzene

5?-Cholestane

ISO 10382 Multicomponent Solution of PCBs and Organochlorine Pesticides. each 400µg/mL in isooctane; unit: 1x1ml Chiron No. Compound Abbr. CAS No Conc. 1mL Polychlorinated biphenyls 1999.12-100-IO 2,4,4’-Trichlorobiphenyl PC