4,4’-DDD Back Catalog number: 79290 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 59985 Metal Mix #1 Price on request 0646.30-100-IO Neohop-13(18)-ene, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 21681-17-4 Price on request 9435.17 Butachlor, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 23184-66-9 Price on request