17 alpha(H),21ß(H)-30-Norhopane, 50µg/mL in Isooctane, 1ml

6-Nitrobenzo[a]pyrene-d11, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-5, Cas.no. 352431-12-0

Propoxur, 100µg/ml in Acetonitrile, 1ml

Tris(monochloropropyl) phosphate, isomer mixture ,1000 µg/mL,toluene,1mL,