b-Sitosterol-d7 (mix of diasteromers), 10mg

Sterigmatocystine, 50µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 10048-13-2

2,3,4,5,6-Pentachlorobiphenyl ,100 µg/mL,isooctane,1mL,

Atrazine-d5, 100µg/ml in Acetone, 1ml