EPA 1620 Standard 2 Back Catalog number: 52140 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3352.22-10-10AN Cypermethrin, isomer mix, 10µg/mL, Solvent-acetonitrile, Unit 10ml, # of units-1, Cas.no. incl. 52315-07-8 Price on request X9092 2,4-Dinitrophenol Price on request 679123 D8-Toluene, 2000 µg/ml, Methanol, 1ml Price on request