Degree of Unsaturation Calculator

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Degree of Unsaturation

Calculate double bond equivalents (DBE) from molecular formula

Carbon (C)

Hydrogen (H)

Nitrogen (N)

Halogens (X)

Unsaturation Index (DoU)

Molecular Structure

The degree of unsaturation (also known as the index of hydrogen deficiency) formula determines the total number of rings and pi bonds in an organic molecule.