from The American Heritage® Dictionary of the English Language, 4th Edition
- n. See amyl.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Either of several isomeric univalent hydrocarbon radicals, C5H11, formally derived from pentane by the loss of a hydrogen atom.
from the GNU version of the Collaborative International Dictionary of English
- n. The hypothetical radical, C5H11, of pentane and certain of its derivatives. Same as amyl.
Sorry, no etymologies found.
I'm not even remotely familiar with chemistry... but here's what I found: Amyl acetate also pentyl ethanoate, pentyl acetate is an organic compound and an ester with the chemical formula CH3COOC5H11 and the molecular weight 130.18 g/mol.
Ticagrelor (BRILINTA (TM)) is an investigational oral antiplatelet treatment for ACS and the first in a new chemical class, the CPTPs (cyclo-pentyl-triazolo-pyrimidines).
Pinus, which heptane yielded primary heptyl-alcohol, and methyl-pentyl-carbinol, exactly as the heptane obtained from petroleum does (_Annalen de Chemie_, ccxvii., 139, and clxxxviii., 249; and
)  P (R) - dithiane sulfoxide + NADP+ + H2 O  S methyl pentyl sulfide + NADPH + O2