Silica (SiO2) Back Catalog number: 54354 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9499.10-100 Clofibric acid, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 882-09-7 Price on request 677879 Nonylphenol (technical), 100 µg/ml, Acetone, 1ml Price on request 3486.11-100-AN Pirimiphos-methyl, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 29232-93-7 Price on request