Retention Time Verification Standard Back Catalog number: 51172 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended O0148 Octadecyl Sulfide, >96%, 25g Price on request 51145 WA EPH Matrix Spike Mix Price on request 3276.20-K-IO Methyl 10-cis-nonadecenoate , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 19788-74-0 Price on request