4,4’-DDD Back Catalog number: X9054 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 71931 Dioxacarb Price on request 11857.10-K-MEX5 [Methyl[(tridecafluorohexyl)sulphonyl]amino]ethyl acrylate,1000 µg/mL ,MeOH,1mL, Price on request 10643.18-50-DRIED Retrorsine Price on request