Norflurazon, 100 µg/ml, Ethyl acetate, 5ml

2,4’-DDD, 1000µg/ml in Hexane, 1ml

d4 Pregnane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 205529-77-7

1,2,4-Tribromobenzene, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 615-54-3