International Union of Pure and Applied Chemistry

Division VIII Chemical Nomenclature and Structure Representation Division

Nomenclature of Organic Chemistry. IUPAC Recommendations and Preferred Names 2013.

Prepared for publication by Henri A. Favre and Warren H. Powell, Royal Society of Chemistry, ISBN 978-0-85404-182-4


Changes to the web Blue Book made since second version was made public on 18 December 2023.

P-14.4 (b) lines 2/3. [corrected 28 May 2024]
For ....accommodate a substituent suffix in accordance with structural feature (d)
read ....accommodate a substituent suffix in accordance with structural feature (c)

P-16.7.1 (a), line 2.[corrected 30 March 2024]
For ...when followed by a suffix or 'en' ending beginning with 'a', 'e'....
read ...when followed by a suffix or ending beginning with 'a', 'e'....

P-65.3.3.2.2.1 (2), lines 2/3. [corrected 28 May 2024]
For ...representing the ‘hydroxylic’ are exactly...
read ...representing the ‘hydroxylic’ component are exactly...

P-65.6.3.3.2.2.1, example 1. [corrected 28 May 2024]
For (2) 3,3′-oxydi(methyl benzoate)
read (2) 3,3′-oxybis(methyl benzoate)

P-65.6.3.3.4.1, example. [corrected 28 May 2024]
For ethane-1,2-diyl di(methyl butanedioate)
read ethane-1,2-diyl bis(methyl butanedioate)

P-93.5.5.1, example 2. [corrected 28 May 2024]
For (14M)-15-bromo-2,13-dioxa-1(1,4)-benzenacyclotridecaphane-12-carboxylic acid (PIN)
read (14M)-15-bromo-2,13-dioxa-1(1,4)-benzenacyclotridecaphane-12-carboxylic acid

add (1M)-17-bromo-2,13-dioxabicyclo[12.2.2]octadeca-1(16),14,17-triene-15-carboxylic acid (PIN)


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