Method 1640Mix A Back Catalog number: 53146 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0150.16-500-IO 4-n-Butyldibenzothiophene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 147792-33-4 Price on request 678453 Pentachlorobenzene, 100 µg/ml, Acetonitrile, 1ml Price on request 1-B-36-CCZ 1-Bromo-3,6-dichloro-9H-carbazole, 1.2ml x 50ug/ml, nonane Price on request