Endosulfan-sulfate, 100 µg/ml, Acetonitrile, 5ml

n-Undecane, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 1120-21-4

D8-Naphthalene, 2000 µg/ml, Acetonitrile, 1ml

d4 C28 alpha alpha alpha (20R)/C29 alpha alpha alpha (20R)-Methyl/Ethylcholestane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no.