Piperonyl butoxide

Carisoprodol, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 78-44-4

EPA Method 552 Halogenated Acetic Mixture, 100µg/mL in MTBE, 1ml

4,4'-DDT 13C12, 100µg/mL in Acetone, 1ml