Cation Mix Back Catalog number: 50188 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1611.29-K-T 1,2,3,4-Tetraphenyl-1,3-cyclopentadiene, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 15570-45-3 Price on request 79606 Benzo(e)pyrene Price on request 678504 Sulfotep, 100 µg/ml, Acetonitrile, 1ml Price on request