4,4’-DDD Back Catalog number: 70099 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 56283 Tin (Sn) Price on request 1088.20-400-CY Benzo[a]pyrene-d12,400µg/mL,cyclohexane,1mL, Price on request 681543 cis-Nonachlor, 100 µg/ml, Cyclohexane, 1ml Price on request