2,2',3,4',5',6-Hexachlorobiphenyl (149) Back Catalog number: 63149 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 677993 Triazophos, 100 µg/ml, Toluene, 1ml Price on request 98860 Formaldehyde-DNPH Level 3 (1.0ug/mL) Price on request MDD-1368 1,3,6,8-Tetrachloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene Price on request