Orange I

chemical compound
ChemicalSubstance type_of_chemical_entity Q5425275
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Orange I

Summary

Orange I is a type of chemical entity[1]. It ranks in the top 6% of type_of_chemical_entity entities by monthly Wikipedia readership (12 views/month).[2]

Key Facts

  • Orange I's instance of is recorded as type of chemical entity[3].
  • Orange I's chemical structure is recorded as Orange No. 1.svg[4].
  • Orange I's CAS Registry Number is recorded as 523-44-4[5].
  • Orange I's EC number is recorded as 208-346-6[6].
  • Orange I's canonical SMILES is recorded as O=S(=O)(O)c1ccc(N=Nc2ccc([O-])c3ccccc23)cc1.[Na+][7].
  • Orange I's InChI is recorded as InChI=1S/C16H12N2O4S.Na/c19-16-10-9-15(13-3-1-2-4-14(13)16)18-17-11-5-7-12(8-6-11)23(20,21)22;/h1-10,19H,(H,20,21,22);/q;+1/p-1[8].
  • Orange I's InChIKey is recorded as AZLXCBPKSXFMET-UHFFFAOYSA-M[9].
  • Orange I's chemical formula is recorded as C₁₆H₁₁N₂NaO₄S[10].
  • Orange I's subclass of is recorded as chemical compound[11].
  • Orange I's has use is recorded as food coloring[12].
  • Orange I's Commons category is recorded as Acid Orange 20[13].
  • Orange I's Freebase ID is recorded as /m/02z6c36[14].
  • Orange I's RTECS number is recorded as DB7085000[15].
  • Orange I's ChemSpider ID is recorded as 7844542[16].
  • Orange I's PubChem CID is recorded as 135513128[17].
  • Orange I's PubChem CID is recorded as 102374137[18].
  • Orange I's ChEBI ID is recorded as 82426[19].
  • Orange I's Reaxys registry number is recorded as 3826844[20].
  • Orange I's Colour Index International constitution ID is recorded as 14600[21].
  • Orange I's HSDB ID is recorded as 5493[22].
  • Orange I's mass is recorded as {'unit': 'Q483261', 'amount': '+350.033722'}[23].
  • Orange I's ECHA Substance Infocard ID is recorded as 100.007.589[24].
  • Orange I's BabelNet ID is recorded as 00501140n[25].
  • Orange I's NSC number is recorded as 10449[26].
  • Orange I's SureChEMBL ID is recorded as 29352135[27].

Why It Matters

Orange I ranks in the top 6% of type_of_chemical_entity entities by monthly Wikipedia readership (12 views/month).[2] It is known by 9 alternative names across languages and contexts.[28]

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] . wikidata.org.
  8. [10] . PubChem. Retrieved . wikidata.org.
  9. [11] . wikidata.org.
  10. [12] . wikidata.org.
  11. [13] . wikidata.org.
  12. [14] . wikidata.org.
  13. [15] . wikidata.org.
  14. [16] . Q2311683. Retrieved . wikidata.org.
  15. [17] . wikidata.org.
  16. [18] . wikidata.org.
  17. [19] . ChEBI release 2019-10-02. wikidata.org.
  18. [20] . wikidata.org.
  19. [21] . wikidata.org.
  20. [22] . Hazardous Substances Data Bank. Retrieved . wikidata.org.
  21. [23] . PubChem. Retrieved . wikidata.org.
  22. [24] . ECHA Substance Infocard database. Retrieved . wikidata.org.
  23. [25] . BabelNet. wikidata.org.
  24. [26] . 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 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). Orange I. Retrieved May 3, 2026, from https://4ort.xyz/entity/orange-i
MLA “Orange I.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/orange-i.
BibTeX @misc{4ortxyz_orange-i_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Orange I}}, year = {2026}, url = {https://4ort.xyz/entity/orange-i}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Orange I — https://4ort.xyz/entity/orange-i (retrieved 2026-05-03)

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