4,4’-DDT Back Catalog number: 79150 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 91831 Carbamates & Carbamoyloximes Price on request 3844.6-K-IP Hydroquinone, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 123-31-9 Price on request 11743.12-100-IO 2,2',3,4,6,6'-Hexachlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request