Toxaphene Congeners (Parlar 26, 50 and 62), 2µg/ml in Nonane, 1,2ml

Mixture of native α-, β-, and γ-HBCD, 1.2ml , toluene

Aflatoxin B2, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 7220-81-7

Cephalosporins