Atrazine-d5 (ethyl-d5),100 µg/mL,acetonitrile,1mL,

Bishomohopane, Isomer mix, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no.

Sulfamethoxazole, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 723-46-6

Tebutam, , Solvent-, Unit , # of units-, Cas.no.