2,2',4,4',5,5'-Hexachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

Benzyl-d5 benzoate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 347840-01-1

2-Keto-d-gluconic Acid, 25mg

Benz[a]anthracene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 56-55-3