pyrophosphoric acid

chemical compound
ChemicalSubstance type_of_chemical_entity Q411092
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pyrophosphoric acid

Summary

pyrophosphoric acid is a type of chemical entity[1]. It ranks in the top 6% of type_of_chemical_entity entities by monthly Wikipedia readership (59 views/month).[2]

Key Facts

  • pyrophosphoric acid's instance of is recorded as type of chemical entity[3].
  • pyrophosphoric acid's chemical structure is recorded as Diphosphorsäure.svg[4].
  • pyrophosphoric acid's physically interacts with is recorded as farnesyl diphosphate synthase[5].
  • pyrophosphoric acid's CAS Registry Number is recorded as 2466-09-3[6].
  • pyrophosphoric acid's EC number is recorded as 219-574-0[7].
  • pyrophosphoric acid's canonical SMILES is recorded as OP(=O)(O)OP(=O)(O)O[8].
  • pyrophosphoric acid's InChI is recorded as InChI=1S/H4O7P2/c1-8(2,3)7-9(4,5)6/h(H2,1,2,3)(H2,4,5,6)[9].
  • pyrophosphoric acid's InChIKey is recorded as XPPKVPWEQAFLFU-UHFFFAOYSA-N[10].
  • pyrophosphoric acid's chemical formula is recorded as H₄O₇P₂[11].
  • pyrophosphoric acid's subclass of is recorded as inorganic phosphorus oxoacid[12].
  • pyrophosphoric acid's Commons category is recorded as Pyrophosphoric acid[13].
  • pyrophosphoric acid's MeSH descriptor ID is recorded as C107241[14].
  • pyrophosphoric acid's has part is recorded as phosphorus[15].
  • pyrophosphoric acid's has part is recorded as oxygen[16].
  • pyrophosphoric acid's has part is recorded as hydrogen[17].
  • pyrophosphoric acid's ChEMBL ID is recorded as CHEMBL1160571[18].
  • pyrophosphoric acid's Guide to Pharmacology Ligand ID is recorded as 3151[19].
  • pyrophosphoric acid's PDB structure ID is recorded as 4KLT[20].
  • pyrophosphoric acid's PDB structure ID is recorded as 4KLS[21].
  • pyrophosphoric acid's PDB structure ID is recorded as 4KLQ[22].
  • pyrophosphoric acid's PDB structure ID is recorded as 4KLO[23].
  • pyrophosphoric acid's PDB structure ID is recorded as 4KLM[24].
  • pyrophosphoric acid's PDB structure ID is recorded as 4KLL[25].
  • pyrophosphoric acid's PDB structure ID is recorded as 4KLJ[26].
  • pyrophosphoric acid's PDB structure ID is recorded as 4KLI[27].

Why It Matters

pyrophosphoric acid ranks in the top 6% of type_of_chemical_entity entities by monthly Wikipedia readership (59 views/month).[2] It has Wikipedia articles in 21 language editions, a strong signal of global cultural recognition.[28] It is known by 33 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] . IUPHAR/BPS Guide to PHARMACOLOGY. Retrieved . 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] . meshb.nlm.nih.gov. meshb.nlm.nih.gov. Provenance: wikidata.org.
  13. [15] . wikidata.org.
  14. [16] . wikidata.org.
  15. [17] . wikidata.org.
  16. [18] . ChEMBL. Retrieved . wikidata.org.
  17. [19] . IUPHAR/BPS Guide to PHARMACOLOGY. Retrieved . wikidata.org.
  18. [20] . Protein Data Bank. Retrieved . wikidata.org.
  19. [21] . Protein Data Bank. Retrieved . wikidata.org.
  20. [22] . Protein Data Bank. Retrieved . wikidata.org.
  21. [23] . Protein Data Bank. Retrieved . wikidata.org.
  22. [24] . Protein Data Bank. Retrieved . wikidata.org.
  23. [25] . Protein Data Bank. Retrieved . wikidata.org.
  24. [26] . Protein Data Bank. Retrieved . wikidata.org.
  25. [27] . Protein Data Bank. Retrieved . 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). pyrophosphoric acid. Retrieved May 3, 2026, from https://4ort.xyz/entity/pyrophosphoric-acid
MLA “pyrophosphoric acid.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/pyrophosphoric-acid.
BibTeX @misc{4ortxyz_pyrophosphoric-acid_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{pyrophosphoric acid}}, year = {2026}, url = {https://4ort.xyz/entity/pyrophosphoric-acid}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): pyrophosphoric acid — https://4ort.xyz/entity/pyrophosphoric-acid (retrieved 2026-05-03)

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