Organic Chemistry - Heterocycle Stems

This quiz is based on the Hantzsch-Widman nomenclature recommended by IUPAC, and the main source is Michigan State University. The heterocyclic compound in the thumbnail is oxecane, source PubChem. For heteroatoms quiz see: https://www.jetpunk.com/user-quizzes/2286762/organic-chemistry-heteroatoms
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OzThereal1
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Last updated: March 15, 2026
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First submittedMarch 15, 2026
Times taken2
Average score90.0%
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Ring Size
Saturated
Unsaturated
Saturated (Nitrogen)
Unsaturated (Nitrogen)
3
irane
irene
iridine
irine
4
etane
ete
etidine
 
5
olane
ole
olidine
 
6
inane
ine
 
 
7
epane
epine
 
 
8
ocane
ocine
 
 
9
onane
onine
 
 
10
ecane
ecine
 
 
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2 Comments
+1
Level 23
Mar 16, 2026
Good quiz a bit tricky though
+1
Level 23
Mar 16, 2026
Good quiz a bit tricky though