Methadone/Methaqualone/Propoxyphene

tert-Butylbenzene, 1000µg/mL, Solvent-hexane, Unit 1mL, # of units-1, Cas.no. 98-06-6

Arochlor 1232, 10µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 11141-16-5

(S)-(-)-Cotinine, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 486-56-6