2,2',3,4,4',5-Hexachlorobiphenyl (137)

9,10-Dichlorooctadecanoic acid, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 5829-48-1

alpha alpha alpha (20R,24R)-24-Ethylcholestane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 62446-14-4

Ponceau 4R (E 124), 1g