Zaleplon-?d5 (N-?ethyl-?d5),100 µg/mL,MeOH,1mL

2,2',3,3',4',5,5',6-Octachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 52663-73-7

Di-n-butyl phthalate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 84-74-2

(2RS)-2-(4-Methylphenyl)propanoic acid, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 938-94-3