4,4’-DDD Back Catalog number: 70099 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 73423 2-Methylbenzofuran, 1000µg/ml in Acetone, 1ml Price on request 0204.22-200-T Dibenz[a,j]anthracene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 224-41-9 Price on request 676785 Paraquat dichloride, 100 µg/ml, Water, 1ml Price on request