2,4-Dinitrotoluene-a,a,a-d3

n-Heptadecane, ?13C: - 25.72, 150ug/ml, Solvent-cyclohexane, Unit 1mL, # of units-10, Cas.no. 629-78-7

Benzo(g,h,i)perylene, 1000µg/ml in MeChl, 1ml

d4 C27 alpha alpha alpha (20R)-Cholestane, 10µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 205529-74-4