Fenthion-d6, 100µg/ml in Acetonitrile, 1ml

Demeton-S-methyl, 100µg/mL in Acetonitrile, 1ml

2,4-Dihydroxybenzoic Acid, >95%, 500mg

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