calcein

fluorescent dye and complexometric indicator
ChemicalSubstance type_of_chemical_entity Q413006
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calcein

Summary

calcein is a type of chemical entity[1]. calcein ranks in the top 6% of type_of_chemical_entity entities by monthly Wikipedia readership (11 views/month).[2]

Key Facts

  • calcein's instance of is recorded as type of chemical entity[3].
  • calcein's chemical structure is recorded as Calcein.svg[4].
  • calcein's CAS Registry Number is recorded as 1461-15-0[5].
  • calcein's EC number is recorded as 215-957-1[6].
  • calcein's canonical SMILES is recorded as C1=CC=C2C(=C1)C(=O)OC23C4=CC(=C(C=C4OC5=CC(=C(C=C35)CN(CC(=O)O)CC(=O)O)O)O)CN(CC(=O)O)CC(=O)O[7].
  • calcein's InChI is recorded as InChI=1S/C30H26N2O13/c33-21-7-23-19(5-15(21)9-31(11-25(35)36)12-26(37)38)30(18-4-2-1-3-17(18)29(43)45-30)20-6-16(22(34)8-24(20)44-23)10-32(13-27(39)40)14-28(41)42/h1-8,33-34H,9-14H2,(H,35,36)(H,37,38)(H,39,40)(H,41,42)[8].
  • calcein's InChIKey is recorded as DEGAKNSWVGKMLS-UHFFFAOYSA-N[9].
  • calcein's chemical formula is recorded as C₃₀H₂₆N₂O₁₃[10].
  • calcein's subclass of is recorded as chemical compound[11].
  • calcein's has use is recorded as indicators and reagents[12].
  • calcein's Commons category is recorded as Calcein[13].
  • calcein's MeSH descriptor ID is recorded as C007740[14].
  • calcein's has part is recorded as carbon[15].
  • calcein's ChEMBL ID is recorded as CHEMBL1973733[16].
  • calcein's Freebase ID is recorded as /m/0fm_83[17].
  • calcein's UNII is recorded as V0YM2B16TS[18].
  • calcein's ChemSpider ID is recorded as 58589[19].
  • calcein's PubChem CID is recorded as 65079[20].
  • calcein's ChEBI ID is recorded as 51903[21].
  • calcein's DrugBank ID is recorded as DB11184[22].
  • calcein's Human Metabolome Database ID is recorded as HMDB0249537[23].
  • calcein's mass is recorded as {'unit': 'Q483261', 'amount': '+622.143'}[24].
  • calcein's World Health Organisation international non-proprietary name is recorded as {'lang': 'en', 'text': 'oftasceine'}[25].
  • calcein's ECHA Substance Infocard ID is recorded as 100.014.507[26].
  • calcein's NSC number is recorded as 298193[27].

Why It Matters

calcein ranks in the top 6% of type_of_chemical_entity entities by monthly Wikipedia readership (11 views/month).[2] calcein has Wikipedia articles in 8 language editions, a strong signal of global cultural recognition.[28] calcein is known by 12 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] . Global Substance Registration System. Retrieved . commonchemistry.cas.org. Provenance: wikidata.org.
  4. [6] . Global Substance Registration System. Retrieved . wikidata.org.
  5. [7] . PubChem. Retrieved . wikidata.org.
  6. [8] . PubChem. Retrieved . wikidata.org.
  7. [9] . PubChem. Retrieved . wikidata.org.
  8. [10] . PubChem. Retrieved . wikidata.org.
  9. [11] . wikidata.org.
  10. [12] . Medical Subject Headings. Retrieved . wikidata.org.
  11. [13] . wikidata.org.
  12. [14] . Medical Subject Headings. Retrieved . wikidata.org.
  13. [15] . wikidata.org.
  14. [16] . ChEMBL. Retrieved . wikidata.org.
  15. [17] . Freebase Data Dumps. wikidata.org.
  16. [18] . Global Substance Registration System. Retrieved . wikidata.org.
  17. [19] . Q2311683. Retrieved . wikidata.org.
  18. [20] . PubChem. Retrieved . wikidata.org.
  19. [21] . ChEMBL. Retrieved . wikidata.org.
  20. [22] . wikidata.org.
  21. [23] . wikidata.org.
  22. [24] . PubChem. Retrieved . wikidata.org.
  23. [25] . ChEBI. Retrieved . 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). calcein. Retrieved May 3, 2026, from https://4ort.xyz/entity/calcein
MLA “calcein.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/calcein.
BibTeX @misc{4ortxyz_calcein_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{calcein}}, year = {2026}, url = {https://4ort.xyz/entity/calcein}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): calcein — https://4ort.xyz/entity/calcein (retrieved 2026-05-03)

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