Retention Time Verification Standard Back Catalog number: 51172 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 70090 Chlorpyrifos Price on request 2848.10-50-ME 1H,1H-Perfluorodecan-1-ol , 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 307-37-9 Price on request 675010 PSA-GCB-Mix 3 Price on request