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heptacene

chemical compound
ChemicalSubstance type_of_chemical_entity Q1572618
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heptacene

Summary

heptacene is a type of chemical entity[1]. heptacene ranks in the top 6% of type_of_chemical_entity entities by monthly Wikipedia readership (19 views/month).[2]

Key Facts

  • heptacene's instance of is recorded as type of chemical entity[3].
  • heptacene's canonical SMILES is recorded as C1=CC=C2C=C3C=C4C=C5C=C6C=C7C=CC=CC7=CC6=CC5=CC4=CC3=CC2=C1[4].
  • heptacene's chemical formula is recorded as C₃₀H₁₈[5].
  • heptacene is a type of pentacenes[6].
  • heptacene's Commons category is recorded as Heptacene[7].
  • heptacene's mass is recorded as {'unit': 'Q483261', 'amount': '+378.140851'}[8].

Why It Matters

heptacene ranks in the top 6% of type_of_chemical_entity entities by monthly Wikipedia readership (19 views/month).[2] heptacene has Wikipedia articles in 10 language editions, a strong signal of global cultural recognition.[9]

References

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

Direct Wikidata claims

  1. [3] ↑ . wikidata.org.
  2. [4] ↑ . PubChem. Retrieved . wikidata.org.
  3. [5] ↑ . PubChem. Retrieved . wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . wikidata.org.
  6. [8] ↑ . PubChem. Retrieved . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [9] ↑ . Wikidata sitelinks. 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). heptacene. Retrieved May 3, 2026, from https://4ort.xyz/entity/heptacene
MLA “heptacene.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/heptacene.
BibTeX @misc{4ortxyz_heptacene_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{heptacene}}, year = {2026}, url = {https://4ort.xyz/entity/heptacene}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): heptacene — https://4ort.xyz/entity/heptacene (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/heptacene · Last refreshed:

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. 6d ago · Wostr · 2026-05-15 view diff on Wikidata ↗
    Aliases → —
    Instance of → type of chemical entity
    Instance of → —
    Mass → {'unit': 'Q483261', 'amount': '+378.140851'}
    + 2 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-create:2||1 */ [[Property:P279]]: [[Q418207]]"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.