Internal Standard Back Catalog number: 95665 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 96416 Phenols Standard Price on request 8711.12-5MG 2,3,3',4',5,6-Hexachlorobiphenyl, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 74472-44-9 Price on request 682917 Phenmedipham, 100 µg/ml, Acetonitrile, 5ml Price on request