4-Isobutylbenzoic acid Back Catalog number: 72729 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 679520 13C6-Sulfamerazine, 10mg Price on request 1088.20-100-TX5 Benzo[a]pyrene-d12, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-5, Cas.no. 63466-71-7 Price on request S-4141-03-10IO Nitrogen Calibration Set-High Boiling Solvents Units: 1x1mL ampoules or 10mL screw-capped bottle Nitrogen introduced using Carbazole Catalogue No. Concentration Matrix: isooctane mg/kg (ppm) S-4141-0 Blank S-4141-03 Price on request