Silica (SiO2) Back Catalog number: 54169 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3602.10-K-IO 1,2,3,4-Tetramethylbenzene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 488-23-3 Price on request 2379.8-K-IP 2,4-Dichloro-3,5-dimethylphenol, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 133-53-9 Price on request 676380 Etrimfos, 100 µg/ml, Acetonitrile, 5ml Price on request