Tris(4-chlorophenyl)methanol-[13C19], 1.2ml x 50ug/ml, nonane

Dibenzo[b,k]chrysene, 200µg/mL, Solvent-dichloromethane, Unit 1mL, # of units-1, Cas.no. 217-54-9

2H-Perfluoro-[1,2-13C2]-2-dodecenoic acid (10:2), 50µg/ml in Isopropanol, 1,2ml

17a-Estradiol, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 57-91-0