4,4'-DDD, 250mg Back Catalog number: 677528 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 677742 Nitralin, 10 µg/ml, Ethyl acetate, 10ml Price on request 9194.17-100-ME Omeprazole-d3 (benzimidazole-4,6,7-d3), 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. Price on request L20695000CY Dibenz[a,c]anthracene, 10µg/mL in Cyclohexane, 10ml Price on request