4-Androstene-3,17-dione

Analytical Standard for n-Alkanes 1mL Use 100µg/mL in hexane as a working standard n-C10-C40 + Pristane

Benz[c]acridine, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 225-51-4

3,3’-Dimethoxybenzidine