Selenium (Se) Back Catalog number: 57134 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1535.18-10MG o-Terphenyl-d14, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 5142-76-6 Price on request 43032 CLP Semi-Volatile Tuning Standard Price on request 2042.8-100MG n-Perfluorooctanoic acid,neat,neat,100mg, Price on request