High molecular weight isoprenoid alcohol isolated from tobacco leaf. Associated with the particulate fraction of tobacco smoke. Isoln: R. L. Rowland et al., J. Am. Chem. Soc. 78, 4680 (1956). Synthesis: R. Rüegg et al., Helv. Chim. Acta 43, 1745 (1960). Stereoselective synthesis: K. Sato et al., J. Chem. Soc. Perkin Trans. 1 1981, 761. Structural analysis: N. J. Jensen, T. Sumpter, Beitr. Tabakforsch. Int. 16, 85 (1995). Determn in tobacco smoke: M. W. Ogden, K. C. Maiolo, LC-GC 10, 459 (1992); in tobacco extracts: K. Z. Liu et al., Anal. Lett. 31, 1947 (1998).