3',4'-Dichloro-4-[13C12]biphenylol, 1.2ml x 50ug/ml, toluene Back Catalog number: M4H12 Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended LA18000040AL Pesticide-Mix 40, 10 ng/ µl, 1ml Price on request 675771 Leptophos, 10.0 µg/ml, Ethyl acetate, 10ml Price on request EPA-513CSSB Alternative Cleanup Standard Spiking Solution, 1.2ml, nonane Price on request