4,4'-DDD, 100 µg/ml, Methanol, 1ml Back Catalog number: 679457 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 3893.5-100-ME 3-Methyl-2-buten-1-thiol,100 µg/mL,MeOH,1mL, Price on request 56247 Silver (Ag) Price on request 678471 Bis(2-ethylhexyl) phthalate, 100 µg/ml, Acetone, Price on request