Benzene [50 ppm] Back Catalog number: 98234 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 71496 Cyfluthrin, “Baythroid” Price on request 1136.16-K-IO n-Hexadecane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 544-76-3 Price on request 673970 Diatrizoic acid, 100mg Price on request