Isofenphos Back Catalog number: 90872 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 52140 EPA 1620 Standard 2 Price on request 70192 Heptachlor Price on request 8853.8-K-IO 2-n-Propoxy-3(5)-methylpyrazine, Isomer mixture, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no. Price on request