Degree of Unsaturation
- Page ID
- 39586
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(If the molecule is resonance stabilized, this formula applies to the major resonance form.)
If the structural formula of a compound is not known, but the molecular formula is, the degree of unsaturation of the compound can be calculated using the following general formula.
(This method is limited to organic compounds containing carbon, hydrogen, oxygen, sulfur, nitrogen, phosphorus, and halogens, which are the most common elements in naturally occurring organic compounds.)
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