Method 1613 Internal Standard Spiking Solution, 200ng/ml in Nonane, 0,5ml Back Catalog number: EDF-5999 Availability: In the manufacturer's stock Price on request - + Recommended 96622 Isopropanol (2-Propanol) Price on request L13133000CY Endosulfan-sulfate 10 µg/mL in Cyclohexane, 10ml Price on request 8998.18-100-ME 17ß-Estradiol, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 50-28-2 Price on request