525.2 Internal & Surrogate Standard Back Catalog number: 92386 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended X9223 m-Xylene Price on request RM0053 2-Butanone Price on request 1544.11-K-IOX10 n-Undecane-d24, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-10, Cas.no. 164858-54-2 Price on request