4,4’-DDD Back Catalog number: 70099 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 679659 delta-HCH, 10.0 µg/ml, Cyclohexane, 10ml Price on request 56251 Antimony (Sb) Price on request 677584 trans-Nonachlor, 100 µg/ml, Acetonitrile, 1ml Price on request