Methyl cis-13,16-docosadienoate, 10mg/ml in Heptane, 1ml

Mono-n-butyl phthalate (ring-1,2-13C2, dicarboxyl-13C2, 99%) 100 µg/mL in MTBE, 1,2ml

Avermectin B1a, 100 µg/ml, Acetonitrile, 1ml

1,2,7,9-Tetrachlorodibenzo-p-dioxin,50 µg/mL,n-nonane,1mL,