3-Hydroxybutyric acid, 50mg Back Catalog number: 680220 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended S-4198-ASS-10RF EPA O-FID Quantitative Calibration Check Standard (without Internal Standard) 4 Analytes, each Wt.% as listed in RFA Gasoline; units: 1x10mL, 5x10mL Name Wt.% Name Wt.% Methanol 4.0Methyl tert-butyl et Price on request 53010 Calibration Standard Mix 1 Price on request 10078.1-K-ME N-Nitromethanamine-d3, 1000µg/mL, Solvent-methanol, Unit 1.1mL, # of units-1, Cas.no. 38985-53-4 Price on request