EPA 1620 Standard 1 Back Catalog number: 52139 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1314.12-100-TX5 5-Fluoroacenaphthylene, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-5, Cas.no. 17521-01-6 Price on request 11264.10-100-AN Imidacloprid-d4 (imidazolidine-4,4,5,5-d4),100 µg/mL,acetonitrile,1mL, Price on request 3643.33-K-10PY 1,2,3-Tricaproylglycerol, 1000µg/mL, Solvent-dry pyridine, Unit 10mL, # of units-1, Cas.no. 621-71-6 Price on request