Structured Summary
Abstract
An estrogenic steroid produced by HORSES. It has a total of five double bonds in the A- and B-ring. High concentration of equilenin is found in the URINE of pregnant mares.
Chemical Identity
Chemical Information
- Molecular Formula
- C18H18O2
- Molecular Weight
- 266.3 g/mol
- CAS Registry No.
- 517-09-9
- IUPAC Name
- (13S,14S)-3-hydroxy-13-methyl-12,14,15,16-tetrahydro-11H-cyclopenta[a]phenanthren-17-one
- InChIKey
- PDRGHUMCVRDZLQ-WMZOPIPTSA-N
- SMILES
- C[C@]12CCC3=C([C@@H]1CCC2=O)C=CC4=C3C=CC(=C4)O
- MeSH Unique ID
- D004855
- Source
- PubChem CID 444865
MeSH Record
Classification
Broader headings
Related Concepts
Knowledge Graph
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MeSH Record
Aspects Covered
29 allowable subheadings
Indexed with the subheadings administration & dosage, adverse effects, agonists, analogs & derivatives, analysis, antagonists & inhibitors, biosynthesis, blood, cerebrospinal fluid, chemical synthesis, chemistry, classification, deficiency, economics, genetics, history, immunology, isolation & purification, metabolism, pharmacokinetics, pharmacology, physiology, poisoning, radiation effects, standards, supply & distribution, therapeutic use, toxicity, urine.
MeSH Record
Indexing Annotation
do not confuse with EQUILIN
MeSH Record
History Note
91(75); was see under 17-KETOSTEROIDS 1975-90
MeSH Record
Previous Indexing
- 17-Ketosteroids (1969-1974)
- Estranes (1973-1974)
- Hydroxysteroids (1974)
MeSH Hierarchy
Tree Numbers
AMA Style
References
- National Library of Medicine. Equilenin. Medical Subject Headings (MeSH). 2026. Unique ID D004855. http://id.nlm.nih.gov/mesh/2026/D004855
- Equilenin. In: Wikipedia. https://en.wikipedia.org/wiki/Equilenin
- Equilenin. In: Wikidata. https://www.wikidata.org/wiki/Q5384461
- Equilenin. In: PubChem Compound. CID 444865. https://pubchem.ncbi.nlm.nih.gov/compound/444865