Mesityloxide, certified, 0.25g

2,4'-DDD, 100mg

Arochlor 1242 , 10µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 53469-21-9

Propandiamine-1,2-13C2, , Solvent-, Unit , # of units-, Cas.no. 108-13-4 (unlabelled)