20-hydroxy-3-oxopregn-4-en-21-al

chemical compound

ChemicalSubstance group_of_stereoisomers Q27098192

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Key Facts

Canonical SMILES: CC12CCC3C(C1CCC2C(C=O)O)CCC4=CC(=O)CCC34C^[1]
Chemical formula: C₂₁H₃₀O₃^[2]
Subclass of: steroid^[3]
Part of: corticosteroid side-chain-isomerase activity^[4]
Isomeric SMILES: C[C@]12CC[C@H]3C@HCCC4=CC(=O)CC[C@]34C^{C@HCCC4=CC(=O)CC[C@]34C">[5]}
Mass: 330.219495 dalton^[6]

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Quick Facts

Instance of group of stereoisomers

Subclass of steroid

Part of corticosteroid side-chain-isomerase activity

Properties

Canonical smiles CC12CCC3C(C1CCC2C(C=O)O)CCC4=CC(=O)CCC34C

Chemical formula C₂₁H₃₀O₃

Isomeric smiles C[C@]12CC[C@H]3[C@H]([C@@H]1CC[C@@H]2C(C=O)O)CCC4=CC(=O)CC[C@]34C

Mass +330.219495

External References (8)

Chebi id 15690

Chemspider id 389209

Inchi InChI=1S/C21H30O3/c1-20-9-7-14(23)11-13(20)3-4-15-16-5-6-18(19(24)12-22)21(16,2)10-8-17(15)20/h11-12,15-19,24H,3-10H2,1-2H3/t15-,16-,17-,18+,19?,20-,21-/m0/s1

Inchikey HIXLXYQKUSOMDM-FYGMKCHKSA-N

Kegg id C04108

Lipid maps id LMST02030181

Pubchem cid 440224

Unichem compound id 1071852

🏷️ Also known as

en 20-hydroxy-3-oxopregn-4-en-21-al

References

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

Direct Wikidata claims

[1] ↑ 20-hydroxy-3-oxopregn-4-en-21-al — canonical SMILES (P233): CC12CCC3C(C1CCC2C(C=O)O)CCC4=CC(=O)CCC34C. PubChem. Retrieved 2016-10-04. wikidata.org.
[2] ↑ 20-hydroxy-3-oxopregn-4-en-21-al — chemical formula (P274): C₂₁H₃₀O₃. PubChem. Retrieved 2016-10-04. wikidata.org.
[3] ↑ 20-hydroxy-3-oxopregn-4-en-21-al — subclass of (P279): steroid. wikidata.org.
[4] ↑ 20-hydroxy-3-oxopregn-4-en-21-al — part of (P361): corticosteroid side-chain-isomerase activity. Gene Ontology release 2020-05-02. wikidata.org.
[5] ↑ 20-hydroxy-3-oxopregn-4-en-21-al — isomeric SMILES (P2017): C[C@]12CC[C@H]3[C@H]([C@@H]1CC[C@@H]2C(C=O)O)CCC4=CC(=O)CC[C@]34C. PubChem. Retrieved 2016-10-04. wikidata.org.
[6] ↑ 20-hydroxy-3-oxopregn-4-en-21-al — mass (P2067): 330.219495 dalton. PubChem. Retrieved 2016-10-04. 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). 20-hydroxy-3-oxopregn-4-en-21-al. Retrieved May 3, 2026, from https://4ort.xyz/entity/20-hydroxy-3-oxopregn-4-en-21-al

MLA

“20-hydroxy-3-oxopregn-4-en-21-al.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/20-hydroxy-3-oxopregn-4-en-21-al.

BibTeX

@misc{4ortxyz_20-hydroxy-3-oxopregn-4-en-21-al_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{20-hydroxy-3-oxopregn-4-en-21-al}}, year = {2026}, url = {https://4ort.xyz/entity/20-hydroxy-3-oxopregn-4-en-21-al}, note = {Accessed: 2026-05-03}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 20-hydroxy-3-oxopregn-4-en-21-al — https://4ort.xyz/entity/20-hydroxy-3-oxopregn-4-en-21-al (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/20-hydroxy-3-oxopregn-4-en-21-al · Last refreshed: May 3, 2026

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.

17w ago · Nabbegat · 2026-06-19 view diff on Wikidata ↗

Isomeric smiles → C[C@]12CC[C@H]3[C@H]([C@@H]1CC[C@@H]2C(C=O)O)CCC4=CC(=O)CC[C

Subclass of → steroid

Lipid maps id → LMST02030181

Chemical formula → C₂₁H₃₀O₃

+ 13 other properties edited (see Wikidata diff for full list)

"/* wbeditentity-update-languages-short:0||tr */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/37300|batch #37300]]"

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