Internal Standard Back Catalog number: 95665 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 675558 Dimefuron, 100 µg/ml, Acetonitrile, 5ml Price on request 10419.7-10MG Methyl pentachlorophenyl sulfide Price on request 10416.6-1ML Diglyme Price on request