Tetradifon Back Catalog number: 70851 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 54520 Anions - QC Mix Price on request 11888.9-K-AN Benzocaine,1000 µg/mL,acetonitrile,1mL, Price on request 9943.20-50-IO C20 Triaromatic ster-14(15)-ene, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Price on request