Internal & Surrogate Standard Back Catalog number: 97790 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 70161 2,6-Dinitrotoluene Price on request 2317.9-100-AN Linuron, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 330-55-2 Price on request 677999 Ethoprophos, 100 µg/ml, Toluene, 1ml Price on request