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 1569.18-10MG Norcodeine, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 467-15-2 Price on request 11762.12-100-IO 2,2',3,4,4',5,6'-Heptachlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request 50398 ICP Mix #1 Price on request