Organophosphorous Pesticides Back Catalog number: 93854 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 685071 epsilon-HCH, 10.0 µg/ml, Cyclohexane, 1ml Price on request 50646 Cacodylic acid, sodium salt trihydrate (As) Price on request 9904.18-100-ME 17a-Estradiol, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 57-91-0 Price on request