GPC Calibration Solution

alpha alpha alpha (20R,23R,24R)-4 alpha,23,24-Trimethylcholestane, neat, Solvent-neat, Unit ca. 5µg, # of units-1, Cas.no. 146276-37-1

Decafluorobiphenyl

1-(3-Chloro-4-methylphenyl)-3-methylurea, 100mg