d2 C27 alpha alpha alpha (20R)-Cholestane, 100µg/mL in Isooctane, 1ml

Arsenic (As)

N-Nitrosodimethylamine, 2000µg/mL, Solvent-dichloromethane, Unit 1mL, # of units-1, Cas.no. 62-75-9

8-Methyl-11(H)-benzo[a]carbazole, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 21064-33-5