Total DMRQA (Kit) - Pre 2006 Back Catalog number: 55074 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 79228 Thiophene Price on request 11247.14-100-AN Bifenox-d3 (2,4-dichlorofenoxy-d3),100 µg/mL,acetonitrile,1mL, Price on request 79664 Phenanthrene Price on request