Selenium (Se) Back Catalog number: 59960 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 677389 Dihydro-ethoxyquin, 10mg Price on request 82415 EPA Method 8240A - Ketones Price on request 2533.11-100-ME (2RS)-2-(4-Ethylphenyl)propanoic acid, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 3585-52-2 Price on request