4,4'-DDE, 10.0 µg/ml, Ethyl acetate, 10ml

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

3-Ethylnonane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 17302-11-3

3,5-Dichlorobenzoic acid