4,4’-DDD Back Catalog number: 70099 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9263.17-050-AN U{13C17}-Aflatoxin G1, 0.5µg/ml, Solvent-acetonitrile, Unit 1.2mL, # of units-1, Cas.no. Price on request 8449.15-10MG 2-(4-Ethylphenyl)-1H-benzimidazole, neat, Solvent-neat, Unit 10MG, # of units-13, Cas.no. 67273-55-6 Price on request 99882 Fermentation Standard, in Water, 1ml Price on request