4,4'-DDT, 100 µg/ml, Methanol, 1ml Back Catalog number: 679461 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 79166 Endrin Price on request 679800 Norfloxacin, 100 µg/ml, Methanol, 1ml Price on request 678413 Fenson, 100 µg/ml, Acetonitrile, 5ml Price on request