4,4’-DDD Back Catalog number: 70099 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 678997 Tefluthrin, 100 µg/ml, Cyclohexane, 1ml Price on request 676710 D5-threo-Chloramphenicol, 100 µg/ml, Acetone, 1m Price on request 98246 WI-7.6-30 Butyl-Ethyl Paraben Standard Price on request