D5-Atrazine-desisopropyl, 100 µg/ml, Acetone, 1m

2,2',3,4,4',5',6-Heptabromodiphenyl ether, 50µg/ml in IO, 1ml

1,3-Diethylbenzene, 1000µg/mL, Solvent-hexane, Unit 1mL, # of units-1, Cas.no. 141-93-5

17 alpha(H),21ß(H)-(22R)-Tetrakishomohopane , neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 67069-14-1