Pesticides + Surrogates Back Catalog number: 92198 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 72809 Perfluoroheptanoic acid Price on request 0414.11-150-CY n-Undecane, ?13C: -26.11, 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 1120-21-4 Price on request 92213 8151MDL B Price on request