3-Hydroxybutyric acid, 50mg Back Catalog number: 680220 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 676795 4-n-Octylphenol-mono-ethoxylate, 1 µg/ml, Acetone Price on request 0241.24-200-T Dibenzo[a,i]pyrene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 189-55-9 Price on request 2138.18-K-IO Triphenylphosphate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 115-86-6 Price on request