Fenthion-oxon, 10.0 µg/ml, Acetonitrile, 10ml

beta-Estradiol hemihydrate, 100 µg/ml, Methanol,

3-(4,5-Dimethyl-2-thiazolyl)-2,5-diphenyltetrazolium Bromide, >98%, 1g

6-Methyl-1-naphthol, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 24894-78-8