Internal Standard Back Catalog number: 93185 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 66002 PCB No. 2, 100µg/ml in Isooctane, 1ml Price on request 8227.13-100 Pirimiphos-ethyl, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 23505-41-1 Price on request 10870.20-10-AN U-(13C20)-Cyclopiazonic acid,10 µg/mL,acetonitrile,1.2mL Price on request