4,4’-DDD Back Catalog number: 70099 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 50185 ICP Mix Price on request 10378.20-K-ME EDDP perchlorate,1000 µg/mL (as pyrrolinium) ,MeOH,1mL, Price on request 3422.11-100-AN Imidan Price on request