Selenium (Se) Back Catalog number: 58134 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9757.20-100-IO n-Pentyl benzyl phthalate, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1240-18-2 Price on request 3204.15-K-IO 14-cis-Pentadecenoic acid , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 17351-34-7 Price on request 72553 See Part # 72551 Price on request