2,5-Dimethylbenzaldehyde-DNPH

Ethanol standard in water,1.5g/L,water, 1.5mL

Dibenz[a,c]anthracene, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 215-58-7

Promethazine hydrochloride,1000 µg base/mL,MeOH,1mL