3-Hydroxybutyric acid, 50mg Back Catalog number: 680220 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended MPFAC-24ES Mass-Labelled PFAS Extraction Standard, 1000ng/ml in MeOH, 1,2ml Price on request 677959 Demeton-S-methyl, 100 µg/ml, Toluene, 1ml Price on request 50728 ICP Mix #11 Price on request