4,4’-DDD Back Catalog number: 79290 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2029.12-50-NN Dibenzo-p-dioxin,50 µg/mL,n-nonane,1mL, Price on request 679175 D3-Ronidazole, 10mg Price on request 2092.13-K-IPX5 2,4-Dibromophenol-PFB, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-5, Cas.no. Price on request