Thorium (Th) Back Catalog number: 59878 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8771.21-50-IO 3,3',5,5'-Tetrabromobisphenol A bis(2,3-dibromopropyl) ether, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 21850-44-2 Price on request 40021 EPA Method 624Mix #1 - Purgeables Price on request XA11320000AL Chloridazon, 100µg/mL in Acetonitrile, 1ml Price on request