8,9-Z-Avermectin B1b, 100 µg/ml, Acetonitrile, 1

Ethylene sulfide, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 420-12-2

Custom mix, Alkylated Phenols, 3 components in isooctane each 100µg/mL: 8917.13 4-(1-Ethyl-1-methylpropyl)-2-methylphenol 1437.12 4-n-Hexylphenol 1442.14 2,4-Di-tertbutyllphenol

2-Chlorodibenzo-p-dioxin,50 µg/mL,n-nonane,1mL,