Retention Marker Standard - TX1005 Back Catalog number: 92934 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 71140 Pentafluorophenylhydrazine Price on request 79490 Dioxathion Price on request 678949 Fipronil-desulfinyl, 10.0 µg/ml, Acetonitrile, 1 Price on request