Selenium (Se) Back Catalog number: 56034 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0411.40-150-CY n-Tetracontane, ?13C: -27.05, 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 4181-95-7 Price on request 9280.16-100-ME DL-Propranolol hydrochloride, 100µg base/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 318-98-9 Price on request 3800.12-100-IO 3'-Fluoro-2,4,4',5-tetrachlorobiphenyl, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Price on request