beta-Lactam Antibiotics Back Catalog number: 67017 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 71038 Isobutylbenzene Price on request S-4230-ASS-T Aromatic Petroleum Pollutant IS-Mixtures 3 Analytes each concentration as listed in toluene; units: 1x1mL, 5x1mL 1313.10 1-Fluoronaphthalene [321-38-0] 400 µg/mL 1316.14 3-Fluorophenanthrene [440-40-4] 200 µg/mL Price on request 3352.22-100-AN Cypermethrin, isomer mix, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. incl. 52315-07-8 Price on request