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orexin A

neuropeptide
ChemicalSubstance type_of_chemical_entity Q1070023
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orexin A

Summary

orexin An is a type of chemical entity[1]. It ranks in the top 6% of type_of_chemical_entity entities by monthly Wikipedia readership (41 views/month).[2]

Key Facts

  • orexin A's instance of is recorded as type of chemical entity[3].
  • orexin A's CAS Registry Number is recorded as 205599-75-3[4].
  • orexin A's canonical SMILES is recorded as CCC(C)C(C(=O)NC(CC(C)C)C(=O)NC(C(C)O)C(=O)NC(CC(C)C)C(=O)N)NC(=O)CNC(=O)C(C)NC(=O)C(C)NC(=O)C(CC1=CN=CN1)NC(=O)C(CC(=O)N)NC(=O)CNC(=O)C(C)NC(=O)CNC(=O)C(CC2=CN=CN2)NC(=O)C(CC(C)C)NC(=O)C(CC(C)C)NC(=O)C(CCC(=O)O)NC(=O)C(CC3=CC=C(C=C3)O)NC(=O)C(CC(C)C)NC(=O)C(CCCNC(=N)N)NC(=O)C4CSSCC5C(=O)NC(C(=O)NC(C(=O)NC(C(=O)NC(C(=O)NC(CSSCC(C(=O)N5)NC(=O)C(CC(=O)O)NC(=O)C6CCCN6C(=O)C(CC(C)C)NC(=O)C7CCCN7C(=O)C8CCC(=O)N8)C(=O)NC(C(=O)N4)CO)C(C)O)CCCCN)CCC(=O)N)CCCNC(=N)N[5].
  • orexin A's InChIKey is recorded as OFNHNCAUVYOTPM-IIIOAANCSA-N[6].
  • orexin A's chemical formula is recorded as C₁₅₂H₂₄₃N₄₇O₄₄S₄[7].
  • orexin A's subclass of is recorded as neuropeptide[8].
  • orexin A's Freebase ID is recorded as /m/03m70pb[9].
  • orexin A's UNII is recorded as 8RDY08V4VC[10].
  • orexin A's PubChem CID is recorded as 56842143[11].
  • orexin A's PubChem CID is recorded as 90479793[12].
  • orexin A's PubChem CID is recorded as 44377279[13].
  • orexin A's PubChem CID is recorded as 100925880[14].
  • orexin A's isomeric SMILES is recorded as CCC@HC@@HNC(=O)CNC(=O)C@HNC(=O)C@HNC(=O)C@HNC(=O)C@HNC(=O)CNC(=O)C@HNC(=O)CNC(=O)C@HNC(=O)C@HNC(=O)C@HNC(=O)C@HNC(=O)C@HNC(=O)C@HNC(=O)C@HNC(=O)[C@@H]4CSSC[C@H]5C(=O)NC@HCCCNC(=N)NC@HC@@HNC(=O)CNC(=O)C@HNC(=O)C@HNC(=O)C@HNC(=O)[C@H](CC(=O)">[15].
  • orexin A's mass is recorded as {'unit': 'Q483261', 'amount': '+3558.710488056005'}[16].
  • orexin A's SureChEMBL ID is recorded as 29366836[17].
  • orexin A's SureChEMBL ID is recorded as 29367000[18].
  • orexin A's Microsoft Academic ID is recorded as 2776119998[19].
  • orexin A's OpenAlex ID is recorded as C2776119998[20].

Why It Matters

orexin A ranks in the top 6% of type_of_chemical_entity entities by monthly Wikipedia readership (41 views/month).[2] It is known by 3 alternative names across languages and contexts.[21]

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] ↑ . wikidata.org.
  5. [7] ↑ . wikidata.org.
  6. [8] ↑ . wikidata.org.
  7. [9] ↑ . Freebase Data Dumps. wikidata.org.
  8. [10] ↑ . wikidata.org.
  9. [11] ↑ . 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] ↑ . wikidata.org.
  18. [20] ↑ . OpenAlex. Retrieved . docs.openalex.org. Provenance: wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [21] ↑ . 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). orexin A. Retrieved May 3, 2026, from https://4ort.xyz/entity/orexin-a
MLA “orexin A.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/orexin-a.
BibTeX @misc{4ortxyz_orexin-a_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{orexin A}}, year = {2026}, url = {https://4ort.xyz/entity/orexin-a}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): orexin A — https://4ort.xyz/entity/orexin-a (retrieved 2026-05-03)

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