Selenium (Se) Back Catalog number: 50478 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3675.15-K-IO 4-Methoxyphenanthrene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 15638-06-9 Price on request 10103.10-100-ME trans-1,2-Dihydroxy-1,2-dihydronaphthalene-13C6,100 µg/mL,MeOH,1mL, Price on request 51127 Aromatics Quantitative Internal Standard Price on request