1,3-Diethyl-1,3-diphenyl urea Back Catalog number: 72299 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 59050 Lead in oil Price on request 11019.30-5UG 17?,18?(H),21ß(H),17-methyl-28-norhopane,neat,neat,ca. 5 µg, Price on request 80601 EPA Method 8061 - Analytes Price on request