The whole or part of a
chain comprising one or more species of
constitutional unit(s) in defined
sequence.
Note:
Constitutional sequences comprising two constitutional units are termed diads, those comprising three constitutional units
triads, and so on. In order of increasing
sequence lengths they are called tetrads, pentads, hexads, heptads, octads, nonads, decads, undecads, etc.
Source:
PAC, 1996, 68, 2287
(Glossary of basic terms in polymer science (IUPAC Recommendations 1996))
on page 2299
Cite as:
IUPAC. Compendium of Chemical Terminology, 2nd ed. (the "Gold Book"). Compiled by A. D. McNaught and A.Wilkinson. Blackwell Scientific Publications, Oxford (1997). XML on-line corrected version: http://goldbook.iupac.org (2006-) created by M. Nic, J. Jirat, B. Kosata; updates compiled by A. Jenkins. ISBN 0-9678550-9-8.
doi:10.1351/goldbook.
