Pesticides surrogate standard

n-Nonadecane-d40, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 39756-36-0

1,2,3,4-Tetrachlorobenzene

17 alpha(H),21 alpha(H)-(22RS)-Homohopane, neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no.