BHC (beta isomer-13C6), 50µg/ml in Nonane, 2x1,2ml

5ß(H)-Cholestan-3 alpha-ol, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 516-92-7

GPC Calibration Standard

Melamine-13C3,15N3, 1mg