Selenium (Se) Back Catalog number: 57134 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1166.12-K-IO 2,2,7,7-Tetramethyloctane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1071-31-4 Price on request 673556 Dimethoate, 100 µg/ml, Ethyl acetate, 5ml Price on request 680574 Thiometon-sulfoxide, 100 µg/ml, Cyclohexane, 1ml Price on request