Selenium (Se) Back Catalog number: 58134 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10396.21-50-ME (-)-delta-9-THC-acid-13C4 Price on request 95387 Acrylate Mix Price on request 1337.16-K-T Fluoranthene-d10, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 93951-69-0 Price on request