EPA 1620 Standard 2 Back Catalog number: 52140 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10729.20-K-ME (+)-(S)-Chlorpheniramine maleate,1000 µg base/mL,MeOH,1mL, Price on request 10072.4-100MG 2-Methyl-2-(nitroamino)-1-propanol, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 123666-60-4 Price on request 11278.12-100-AN Pyrimethanil-d5 (phenyl-d5),100 µg/mL,acetonitrile,1mL, Price on request