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sulfo group

functional group −SO₃H that defines sulfonic acids
Class type of: sulfonyl group Q4445897

Facts

5 properties
Subclass of
sulfonyl group[1]
Part of
sulfonic acid[2]
CXSMILES
*S(=O)(=O)O |$_AP1$|[6]
Described by source
Nomenklatura związków organicznych. Rekomendacje IUPAC i nazwy preferowane 2013 (version 2)[5]
Has part(s)
sulfonyl group, acidic proton[3][4]
🏷️ Also known as
en SO3H en −SO₃H en SO₃H en sulfo group en sulfonic acid group ja スルホ基 pl grupa sulfonowa pl sulfo ru Сульфогруппа zh 磺酸基
🔖 Identifiers · 2
ChEBI ID
29922
Google Knowledge Graph ID
/g/1218fmkp

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Use and Application

Components include sulfonyl group[3], a type of chemical group[7] and acidic proton[4].

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [1] ↑ . wikidata.org.
  2. [2] ↑ . wikidata.org.
  3. [3] ↑ . wikidata.org.
  4. [4] ↑ . wikidata.org.
  5. [5] ↑ . wikidata.org.
  6. [6] ↑ . wikidata.org.

Inline context (facts about related entities)

  1. [7] ↑ . Wikidata. wikidata.org. → on this site

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). sulfo group. Retrieved November 11, 2026, from https://4ort.xyz/entity/sulfo-group
MLA “sulfo group.” 4ort.xyz Knowledge Graph, 4ort.xyz, 11 Nov. 2026, https://4ort.xyz/entity/sulfo-group.
BibTeX @misc{4ortxyz_sulfo-group_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{sulfo group}}, year = {2026}, url = {https://4ort.xyz/entity/sulfo-group}, note = {Accessed: 2026-11-11}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): sulfo group — https://4ort.xyz/entity/sulfo-group (retrieved 2026-11-11)

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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 6w ago · Wostr · 2026-09-26 view diff on Wikidata ↗
    Commons category → Sulfo group
    Part of → sulfonic acid
    Described by source → Nomenklatura związków organicznych. Rekomendacje IUPAC i naz
    Wikidata description → functional group −SO₃H that defines sulfonic acids
    + 6 other properties edited (see Wikidata diff for full list)
    "Moving Instance of to Subclass of"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.