Cypermethrin, isomer mix

2,4,4',5-Tetrachlorobiphenyl, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 32690-93-0

(24R)-24-Methyl-3,5-cyclocholestane and (24R)-24-Ethyl-3,5-cyclocholestane, 200µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 36545-67-2 / '38776-72-6

3,6-Dimethyloctane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 15869-94-0