D3-Ketoprofen, 100 µg/ml, Acetonitrile, 1ml Back Catalog number: 684531 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended DF-IS-G Mass-Labelled PCDF Internal Standard Solution, 1.2ml, nonane Price on request 678125 Bifenthrin, 100 µg/ml, Acetonitrile, 5ml Price on request 70984 Thiophene Price on request