2,4’-DDD Back Catalog number: 70459 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 98279 GRO Standard Price on request 11775.12-10-IO 2,2',3,3',4,5,5',6,6'-Nonachlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request SCP150-200-001 CONOSTAN Cl Standard, 0.001% (10ppm), 100g Price on request