Selenium (Se) Back Catalog number: 57134 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended N-11937-100MG Ethyleneimine, 100mg Price on request 10083.4-50MG N-Methyl-DL-alanine nitramine, neat, Solvent-neat, Unit 50mg, # of units-1, Cas.no. Price on request 10854.14-100MG Lignocaine hydrochloride Price on request