Selenium (Se) Back Catalog number: 59960 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2612.24-10MG Tetracosahydrocoronene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 54171-94-7 Price on request 677596 TTPCM, 100mg Price on request 3280.19-K-IO Methyl 9-cis-12-hydroxyoctadecenoate , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 141-24-2 Price on request