Calibration Standard Set Back Catalog number: 53042 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673654 Parathion-methyl, 100 µg/ml, Ethyl acetate, 5ml Price on request 9080.2-100-AN N,N-Dimethylsulfamide, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 3984-14-3 Price on request 2942.9-100-NN beta-Endosulfan-d4 (1,1,5,5-d4),100 µg/mL,n-nonane,1mL, Price on request