GC/MS Calibration Standard Back Catalog number: 43026 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3214.18-K-IO 11-trans-Octadecenoic acid, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 693-72-1 Price on request 90691 Di-n-octyl phthalate Price on request 34091 Hexachloroethane Price on request