BTEX (1.0 µg/mL) Back Catalog number: 98514 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9923.9-K-CY n-Propylcyclohexane, 1000µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 1678-92-8 Price on request S-4405-100-DB Deuterated EPA PAH-mix in deuterated benzene, See S-solutions pricelist, Solvent-, Unit , # of units-, Cas.no. Price on request 50478 Selenium (Se) Price on request