4,4'-DDD, 100 µg/ml, Methanol, 1ml

4,4-Pentamethylene-2-pyrrolidone, >98%, 5g

[13C12]Diphenyl ether, 1.2ml x 50ug/ml, nonane

1,2-Dichloroethane, in Certan bottle, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 107-06-2