O,O-Dimethylthiophosphate, sodium salt, 1000µg/ml in MeOH, 1ml Back Catalog number: 10437.2-K-ME Manufacturer: CHIRON AS Availability: 3 weeks Price on request - + Recommended 92387 EPA Method 8141 Surrogate Standard Price on request 2125.12-10-IOX5 Arochlor 1221 , 10µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 11104-28-2 Price on request 70973 n-Eicosane Price on request