Heptachlor epoxide

Zinc - DSC calibration standard, 500mg

6,7-Diethyl-1,1,4,4-tetramethyltetraline, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 55741-10-1

1-(3,4-Dichlorophenyl)urea, 100µg/ml in AL, 5ml