4,4’-DDD Back Catalog number: 79017 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11398.12-50-IO 2,2',3,4,4',6,6'-Heptabromodiphenyl ether,50 µg/mL,isooctane,1mL, Price on request 674784 Methylisothiocyanate, 250mg Price on request 79013 4,4’-Dibromooctafluorobiphenyl Price on request