2,4-Dibromodiphenyl ether, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 171977-44-9

Metazachlor ESA sodium salt, 10mg

Ethyl pentanoate , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 539-82-2

d4 C28 alpha alpha alpha (20R)/C29 alpha alpha alpha (20R)-Methyl/Ethylcholestane, 10µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no.