MA - VPH Surrogate Spike Back Catalog number: 92368 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 50110D TOC Calibration Standard Price on request 3215.18-K-IO 6-cis-Octadecenoic acid , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 593-39-5 Price on request 94721 o-Aminoazo-p-toluene Price on request