Method 1640Mix A Back Catalog number: 52146 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11009.22-K-IO Diisoheptyl phthalate (mixture of C7 isomers),1000 µg/mL,isooctane,1mL, Price on request 50605 ICP - MS Mix Price on request 676420 4-Bromophenylurea, 10mg Price on request