Selenium (Se) Back Catalog number: 57134 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8849.8-K-IO 2-Isopropoxy-3(6)-methylpyrazine, Isomer mixture, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no. Price on request 3952.3-100MG 1,1-Dichloropropene,neat,neat,100mg, Price on request 71977 1,2-Benzodiphenylene sulfide Price on request