Radical name |
Formula |
Based on rule no. |

Benzamido | C-823.1 | |

Benzeneazo | C-911.2, C-911.3 | |

Benzeneazoxy | C-913.1 | |

benzenecarbonyl, Benzoylsee |
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1,2-benzenedicarbonyl, Phthaloylsee |
||

1,3-benzenedicarbonyl, Isophthaloylsee |
||

1,4-benzenedicarbonyl, Terephthaloylsee |
||

Benzenesulfinyl | C-631.1 | |

Benzenesulfonamido | C-631.1, C-641.7, C-823.1 | |

Benzenesulfonyl | C-631.1 | |

Benzenesulfonylamino | C-823.1 | |

Benzenetriyl | A-24.4 | |

Benzhydryl ( alternative to Diphenylmethyl) |
A-13.3 | |

Benzhydrylidene ( alternative to Diphenylmethylene) |
A-13.4 | |

Benzidino | C-811.4, C-813.1 | |

Benziloyl (preferred to 2- hydroxy-2,2-diphenylethanoyl) |
C-411.1 | |

Benzimidazolyl | B-3, B-5.11 | |

Benzimidoyl | C-451.2 | |

Benzofuranyl | B-3, B-5.11 | |

Benzopyranyl | B-3, B-5.11 | |

Benzoquinonyl (1,2- or 1,4-) | C-317.2 | |

Benzo[b]thienyl ( replacing thianaphthenyl) |
B-2.11, B-5.11 | |

Benzoxazinyl | B-3, B-5.11 | |

Benzoxazolyl | B-3, B-5.11 | |

Benzoyl ( preferred to benzenecarbonyl) |
C-404.1 | |

Benzoylamino | C-823.1 | |

Benzoylhydrazino (N- or 2- shown) |
C-921.5 | |

Benzoylimino | C-815.3 | |

Benzoyloxy | C-463.3 | |

Benzyl | A-13.3 | |

Benzylidene | A-13.4 | |

Benzylidyne | A-13.4 | |

Benzyloxy | C-205.1 | |

Benzyloxycarbonyl | C-463.3 | |

Benzylthio | C-514.1 | |

Bicyclo[2.2.1]hept-5-en-2-yl | A-31.4 | |

Bi(cyclohexan)yl | A-52.1, C-71.2 | |

Bi(cyclohexyl)yl | A-52.1, C-71.2 | |

Binaphthalenyl | A-52.1, C-71.2 | |

Binaphthylyl | A-52.4, C-71.2 | |

Biphenylenyl | A-21.1, A-24.2 | |

Biphenylyl | A-52.4, C-71.2 | |

Bornenyl | A-72.1, A-75.2 | |

Bornyl ( replacing cemphyl and bornylyl) |
A-72.1, A-75.2 | |

bornylyl, Bornylsee |
||

Bromo | C-10.1, C-102 | |

Bromoformyl | C-481.2 | |

Bromonio | C-82.1 | |

Butadienyl (1,3-shown) |
A-3.5 | |

butanedioyl, Succinylsee |
||

Butanediylidene | A-4.4 | |

Butanediylidyne | A-4.4 | |

1,2,3-Butanetricarbonyl | C-403.2 | |

butanoyl, Butyrylsee |
||

1-Butanyliden-4-ylidynes | A-4.4 | |

cis-butenedioyl, see Maleoyl |
||

trans-butenedioyl, see Fumaroyl |
||

butenoyl, see Crotonoyl and Isocrotonoyl |
||

1-Butenyl | A-3.5 | |

2-Butenyl ( replacing crotyl) |
A-3.5 | |

2-Butenylene | A-4.3 | |

Butenylidene (2- shown) |
A-4.1 | |

Butenylidyne (2- shown) |
A-4.1 | |

Butoxy | C-205.1 | |

sec-Butoxy ( unsubstituted only) |
C-205.1 | |

tert-Butoxy ( unsubstituted only) |
C-205.1 | |

Butyl | A-1.2 | |

sec-Butyl ( unsubstituted only) |
A-2.25 | |

tert-Butyl ( unsubstituted only) |
A-2.25 | |

Butylidene | A-4.1 | |

sec-Butylidene ( unsubstituted only) |
A-4.1 | |

Butylidyne | A-4.1 | |

Butyryl ( preferred to butanoyl) |
C-404.1 |

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