Methoprene Back Catalog number: 72085 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 59020 ICP Interference Standard Mix 1 Price on request 11696.12-100-IO 2,3,4,5-Tetrachlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request 73580 Ethyl vanillin Price on request