Tolprocarb, 100 µg/ml, Acetonitrile, 1ml Back Catalog number: 679293 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 3359.28-50-IO C28 Triaromatic ster-14(15)-ene, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Price on request 79587 Ethion Price on request 1242.8-10ML n-Octane, neat, Solvent-neat, Unit 10mL, # of units-1, Cas.no. 111-65-9 Price on request