3,7-Dimethyl 2H-Furo[2,3-c]pyran-2-one >90%, 1mg

4-Hydroxyisophthalic acid (4-Hydroxybenzene-1,3-dicarboxylic acid), 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 636-46-4

PCB No. 52, 10µg/mL in Isooctane, 10ml

Chlorpyrifos, 10.0 µg/ml, Acetonitrile, 10ml