Surrogate Standard Back Catalog number: 98607 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2135.21-K-IO Tri-o-tolylphosphate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 78-30-8 Price on request M2PFOA Perfluoro-n-[1,2-13C2]octanoic acid, 50µg/ml in MeOH, 1,2ml Price on request 673894 iso-Chloridazon, 50mg Price on request