Thorium (Th) Back Catalog number: 59878 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0061.30-5MG Dibenzo[bc,ef]coronene (1.14-Benzobisanthene), neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 190-31-8 Price on request 3138.13-K-IO Tridecanoic acid, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 638-53-9 Price on request 1240.7-K-ME n-Heptane, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 142-82-5 Price on request