3-Hydroxybutyric acid, 50mg Back Catalog number: 680220 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 94520 Haloacetic Mix, 1000µg/ml in MTBE, 1ml Price on request DF-IS-A Mass-Labelled PCDD Internal Standard Solution, 1.2ml x 1ug/ml, nonane Price on request 674065 Coumaphos-oxon, 10.0 µg/ml, Cyclohexane, 1ml Price on request