Labelled Compound Stock Solution, 1.2ml, nonane Back Catalog number: EPA-1668LCS Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 678017 Methanol, 5ml Price on request 677483 Methyl valerate, 1ml Price on request 676642 D4-Ketoprofen, 100 µg/ml, Acetonitrile, 1ml Price on request