(13C12)Endrin, 1.2mL x 100ug/mL, nonane Back Catalog number: MEND Manufacturer: Wellington Laboratories Availability: In the manufacturer's stock Price on request - + Recommended 2719.4-50-ME Perfluorobutane sulphonate, potassium salt, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 29420-49-3 Price on request 11CL-PF3OUDS Potassium 11-chloroeicosafluoro-3-oxaundecane-1-sulfonate, 1.2ml x 50ug/ml, methanol Price on request 674842 D7-Malathion, 100 µg/ml, Acetone, 1ml Price on request