List of Radical Names

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List of Radical Names From "N" to "O"

Radical name Formula Based on rule no.

Naphthacenyl A-21.1, A-24.2

Naphthaleneazo C-911.2

naphthalenecarbonyl,
see Naphthoyl

Naphthalenetetrayl A-24.4

Naphtho[2,3-b]thienyl
(replacing thiophanthrenyl) B-2.11, B-5.11

Naphthoyl
(preferred to naphthalenecarbonyl) C-404.1

Naphthoyloxy C-463.3

Naphthyl A-24.2

Naphthylazo C-912.3

Naphthylene A-24.4

Naphthylenebisazo C-912.5

Naphthylmethylene A-4.1

Naphthylmethylidyne A-4.1

Naphthyloxy C-205.1

Naphthyridinyl B-2.11, B-5.11

Neopentyl
(unsubstituted only) A-2.25

Neryl A-75.1

Nicotinoyl
(preferred to 3-pyridinecarbonyl)
(3-) C-404.1

Nitrilo C-72.1, C-815.1

Nitro C-10.1, C-852.1

aci-Nitro C-10.1, C-852.2

Nitroso C-10.1, C-851.1

Nonacontyl A-1.2

Nonacosyl A-1.2

Nonadecyl A-1.2

Nonanedioyl C-403.1

Nonanoyl C-403.1

Nonyl A-1.2

Norbornyl
(replacing norcamphyl and norbornylyl) A-75.2

norbornylyl,
see Norbornyl

norcamphyl,
see Norbornyl

Norcaryl A-75.2

Norleucyl C-421.1

Norpinanyl A-75.2

Norvalyl C-421.1

Octacontyl A-1.2

Octacosyl A-1.2

Octadecanoyl C-403.1

cis-9-octadecenoyl,
see Oleoyl

Octadecyl A-1.2

Octanedioyl C-403.1

Octanoyl C-403.1

Octyl A-1.2

Oleoyl
(preferred to cis-9-octadecenoyl) C-404.1

Ornithyl C-421.1

Ovalenyl A-21.1, A-24.2

Oxalaceto C-416.3

Oxalacetyl C-416.3

Oxalo C-405.2

Oxalyl
(preferred to ethanedioyl) C-404.1, C-405.2

Oxamoyl C-431.2

Oxapyrenyl B-4.1, B-5.21

Oxazinyl B-1, B-5.11

Oxazolidinyl B-1, B-5.11

Oxazolinyl B-1, B-5.11

Oxazolyl B-1, B-5.11

Oxido (ion) C-86.2

Oxo C-10.3, C-316

Oxonio C-82.1, C-85, C-87.1

Oxy C-72.2, C-212.1

This HTML reproduction of Sections A, B and C of IUPAC "Blue Book" is as close as possible to the published version [see Nomenclature of Organic Chemistry, Sections A, B, C, D, E, F, and H, Pergamon Press, Oxford, 1979. Copyright 1979 IUPAC.] If you need to cite these rules please quote this reference as their source.

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Radical name	Formula	Based on rule no.

Naphthacenyl		A-21.1, A-24.2
Naphthaleneazo		C-911.2
naphthalenecarbonyl, see Naphthoyl
Naphthalenetetrayl		A-24.4
Naphtho[2,3-b]thienyl (replacing thiophanthrenyl)		B-2.11, B-5.11
Naphthoyl (preferred to naphthalenecarbonyl)		C-404.1
Naphthoyloxy		C-463.3
Naphthyl		A-24.2
Naphthylazo		C-912.3
Naphthylene		A-24.4
Naphthylenebisazo		C-912.5
Naphthylmethylene		A-4.1
Naphthylmethylidyne		A-4.1
Naphthyloxy		C-205.1
Naphthyridinyl		B-2.11, B-5.11
Neopentyl (unsubstituted only)		A-2.25
Neryl		A-75.1
Nicotinoyl (preferred to 3-pyridinecarbonyl)	(3-)	C-404.1
Nitrilo		C-72.1, C-815.1
Nitro		C-10.1, C-852.1
aci-Nitro		C-10.1, C-852.2
Nitroso		C-10.1, C-851.1
Nonacontyl		A-1.2
Nonacosyl		A-1.2
Nonadecyl		A-1.2
Nonanedioyl		C-403.1
Nonanoyl		C-403.1
Nonyl		A-1.2
Norbornyl (replacing norcamphyl and norbornylyl)		A-75.2
norbornylyl, see Norbornyl
norcamphyl, see Norbornyl
Norcaryl		A-75.2
Norleucyl		C-421.1
Norpinanyl		A-75.2
Norvalyl		C-421.1

Octacontyl		A-1.2
Octacosyl		A-1.2
Octadecanoyl		C-403.1
cis-9-octadecenoyl, see Oleoyl
Octadecyl		A-1.2
Octanedioyl		C-403.1
Octanoyl		C-403.1
Octyl		A-1.2
Oleoyl (preferred to cis-9-octadecenoyl)		C-404.1
Ornithyl		C-421.1
Ovalenyl		A-21.1, A-24.2
Oxalaceto		C-416.3
Oxalacetyl		C-416.3
Oxalo		C-405.2
Oxalyl (preferred to ethanedioyl)		C-404.1, C-405.2
Oxamoyl		C-431.2
Oxapyrenyl		B-4.1, B-5.21
Oxazinyl		B-1, B-5.11
Oxazolidinyl		B-1, B-5.11
Oxazolinyl		B-1, B-5.11
Oxazolyl		B-1, B-5.11
Oxido	(ion)	C-86.2
Oxo		C-10.3, C-316
Oxonio		C-82.1, C-85, C-87.1
Oxy		C-72.2, C-212.1