Isobutyric acid Back Catalog number: 71809 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4048-2K-T Perdeuterated Internal Standard - PAH-Mixture 1 4 Analytes, each 2000 µg/mL in toluene; units:1x1mL, 1x5mL Compounds Window 0978.10 Naphthalene-d8 1 [1146-65-2] 1086.12 Biphenyl-d10 2 [148 Price on request 3913.28-100-HX Campesterol, 100µg/mL, Solvent-hexane, Unit 1mL, # of units-1, Cas.no. 474-62-4 Price on request 8965.25-100-ME 3-Chloro-1,2-propandiol-2-monobehenate, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. Price on request