Methylheneicosanoate C21:0, 10mg/mL in Hexane, 1ml

bis(2-Ethylhexyl) phthalate,1000µg/ml in MeOH, 1ml

U{13C17}-Aflatoxin B2, 0.5µg/mL, Solvent-acetonitrile, Unit 1.2mL, # of units-1, Cas.no.

2,4,5-Trichlorophenol-PFB derivative