Selenium (Se) Back Catalog number: 57234 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 678315 Tefluthrin, 10.0 µg/ml, Acetonitrile, 10ml Price on request 2456.7-K-IP 2,4-Dichloro-6-nitroanisole, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 37138-82-2 Price on request 684225 N-Nitrosopiperidine, 100mg Price on request