manufacturer,high & now technic factory, or ,which specializes in extracting solanesol and nicotine product refinedly from tobacco leaves.CAS No.13190-97-1,C45H74O,631.07,to synthesize Coenzyme Q10 and Vitamine K2,cosmetic material,medicine,etc.assay 90%-98%.nicotine & nicotine sulfate are made of lab reagent,agriculture pesticide insecticide material,and be off the habit of smoking.test method:GC. manufacturer>90%solanesol,extracted refinedly from tobacco leaves.CAS No.13190-97-1, C45H74O, 631.07,to synthesize Coenzyme Q10 and Vitamine K2,cosmetic material,medicine,etc.