Internal Standard Stock Solution, 1.2ml, nonane Back Catalog number: EPA-23ISS Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 0742.11-K-IO 5-Methyltetraline, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 2809-64-5 Price on request 90342 Semi-Volatile B/N Mix #2 Price on request 681043 2,4-DB-2-ethylhexyl ester, 250mg Price on request