Zinc - DSC calibration standard, 500mg

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

n-Tetradecane , ?13C: -33.13, 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-5, Cas.no. 629-59-4

4,4'-DDE-13C12