Phenol-d6, 1000µg/ml in MeOH, 1ml

Parathion-methyl, 100 µg/ml, Ethyl acetate, 5ml

C21 Ring-C Monoaromatic sterane (5 alpha(H),10ß(CH3)/5ß(H),10ß(CH3)), 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 98774-59-5 / 98774-61-9

Dichlone, 100 µg/ml, Acetonitrile, 5ml