Lawesson's reagent

chemical compound
ChemicalSubstance type_of_chemical_entity Q419324
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Lawesson's reagent

Summary

Lawesson's reagent is a type of chemical entity[1]. It ranks in the top 6% of type_of_chemical_entity entities by monthly Wikipedia readership (47 views/month).[2]

Key Facts

  • Lawesson's reagent's instance of is recorded as type of chemical entity[3].
  • Lawesson's reagent's chemical structure is recorded as Lawessons reagent structural formulae.svg[4].
  • Lawesson's reagent's chemical structure is recorded as Lawessons Reagent Structure.svg[5].
  • Lawesson's reagent's CAS Registry Number is recorded as 19172-47-5[6].
  • Lawesson's reagent's EC number is recorded as 242-855-4[7].
  • Lawesson's reagent's canonical SMILES is recorded as COC1=CC=C(C=C1)P2(=S)SP(=S)(S2)C3=CC=C(C=C3)OC[8].
  • Lawesson's reagent's InChI is recorded as InChI=1S/C14H14O2P2S4/c1-15-11-3-7-13(8-4-11)17(19)21-18(20,22-17)14-9-5-12(16-2)6-10-14/h3-10H,1-2H3[9].
  • Lawesson's reagent's InChIKey is recorded as CFHGBZLNZZVTAY-UHFFFAOYSA-N[10].
  • Lawesson's reagent's chemical formula is recorded as C₁₄H₁₄O₂P₂S₄[11].
  • Lawesson's reagent's subclass of is recorded as chemical compound[12].
  • Lawesson's reagent's Commons category is recorded as Lawesson's reagent[13].
  • Lawesson's reagent's has part is recorded as phosphorus[14].
  • Lawesson's reagent's has part is recorded as sulfur[15].
  • Lawesson's reagent's has part is recorded as oxygen[16].
  • Lawesson's reagent's has part is recorded as carbon[17].
  • Lawesson's reagent's has part is recorded as hydrogen[18].
  • Lawesson's reagent's Freebase ID is recorded as /m/07plpk[19].
  • Lawesson's reagent's UNII is recorded as A4125MQ8RX[20].
  • Lawesson's reagent's ChemSpider ID is recorded as 79346[21].
  • Lawesson's reagent's PubChem CID is recorded as 87949[22].
  • Lawesson's reagent's mass is recorded as {'unit': 'Q483261', 'amount': '+403.935'}[23].
  • Lawesson's reagent's Nikkaji ID is recorded as J208.098B[24].
  • Lawesson's reagent's melting point is recorded as {'unit': 'Q25267', 'amount': '+223.0'}[25].
  • Lawesson's reagent's ECHA Substance Infocard ID is recorded as 100.038.944[26].
  • Lawesson's reagent's NSC number is recorded as 150550[27].

Why It Matters

Lawesson's reagent ranks in the top 6% of type_of_chemical_entity entities by monthly Wikipedia readership (47 views/month).[2] It has Wikipedia articles in 11 language editions, a strong signal of global cultural recognition.[28] It is known by 9 alternative names across languages and contexts.[29]

References

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

Direct Wikidata claims

  1. [3] . wikidata.org.
  2. [4] . wikidata.org.
  3. [5] . wikidata.org.
  4. [6] . Global Substance Registration System. Retrieved . commonchemistry.cas.org. Provenance: wikidata.org.
  5. [7] . Global Substance Registration System. Retrieved . wikidata.org.
  6. [8] . PubChem. Retrieved . wikidata.org.
  7. [9] . PubChem. Retrieved . wikidata.org.
  8. [10] . PubChem. Retrieved . wikidata.org.
  9. [11] . PubChem. Retrieved . wikidata.org.
  10. [12] . wikidata.org.
  11. [13] . wikidata.org.
  12. [14] . wikidata.org.
  13. [15] . wikidata.org.
  14. [16] . wikidata.org.
  15. [17] . wikidata.org.
  16. [18] . wikidata.org.
  17. [19] . Freebase Data Dumps. wikidata.org.
  18. [20] . Global Substance Registration System. Retrieved . wikidata.org.
  19. [21] . Q2311683. Retrieved . wikidata.org.
  20. [22] . PubChem. Retrieved . wikidata.org.
  21. [23] . PubChem. Retrieved . wikidata.org.
  22. [24] . wikidata.org.
  23. [25] . Jean-Claude Bradley Open Melting Point Dataset. wikidata.org.
  24. [26] . ECHA Substance Infocard database. Retrieved . wikidata.org.
  25. [27] . wikidata.org.

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [28] . Wikidata sitelinks. wikidata.org.
  3. [29] . Wikidata aliases. wikidata.org.

📑 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). Lawesson's reagent. Retrieved May 3, 2026, from https://4ort.xyz/entity/lawesson-s-reagent
MLA “Lawesson's reagent.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/lawesson-s-reagent.
BibTeX @misc{4ortxyz_lawesson-s-reagent_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Lawesson's reagent}}, year = {2026}, url = {https://4ort.xyz/entity/lawesson-s-reagent}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Lawesson's reagent — https://4ort.xyz/entity/lawesson-s-reagent (retrieved 2026-05-03)

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