EPA 1620 Standard 5 Back Catalog number: 53143 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9025.16-100-IO Benzyl-d5 cinnamate (E-isomer), 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 347840-02-2 Price on request 11288.14-100-AN (+/-)-Tridimefon-d4 (4-chlorophenoxy-d4),100 µg/mL,acetonitrile,1mL, Price on request 684220 N-Nitroso-di-n-butylamine, 100 µg/ml, Methanol, Price on request