O,O-Diethylthiophosphate, sodium salt, 1000µg/ml in MeOH, 1ml Back Catalog number: 10759.4-K-ME Manufacturer: CHIRON AS Availability: 3 weeks Price on request - + Recommended 1112.20-100-TX10 6-Nitrobenzo[a]pyrene-d11, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-10, Cas.no. 352431-12-0 Price on request 72742 17-alpha-Ethynylestradiol Price on request 8714.12-100 Crufomate, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 299-86-5 Price on request