2,4-DB Back Catalog number: 83563 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 66177 2,2',3,3',4',5,6-Heptachlorobiphenyl (177) Price on request 3677.14-10MG 1-Hydroxy-9,10-anthraquinone, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 129-43-1 Price on request 0379.13-K-T 9-Methylcarbazole, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 1484-12-4 Price on request