Selenium (Se) Back Catalog number: 57834 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9400.19-100-ME Doxepin hydrochloride, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 1229-29-4 Price on request 1105.10-100-T 1,5-Dinitronaphthalene, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 605-71-0 Price on request S-4037-K-10IO 2-Bromothiophene in isooctane, Blank Units: 5x1mL ampoules Price on request