2-Nitropyrene, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 789-07-1

Urea Stock Solution

Ethanol standard in water,0.8g/L,water, 3mL

13-cis-Docosenoic acid , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 112-86-7