Retention Time Verification Standard Back Catalog number: 51136 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10861.12-K-AN Tolbutamide Price on request 3269.19-K-IO Methyl 11-cis-octadecenoate , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1937-63-9 Price on request 1855.18-K-IO n-Dodecylbenzene-d30, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 352431-29-9 Price on request