Chemicals and Drugs

Ecdysterone

A steroid hormone that regulates the processes of MOLTING or ecdysis in insects. Ecdysterone is the 20-hydroxylated ECDYSONE.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

A steroid hormone that regulates the processes of MOLTING or ecdysis in insects. Ecdysterone is the 20-hydroxylated ECDYSONE.

Chemical Identity

Chemical Information

Molecular Formula
C27H44O7
Molecular Weight
480.6 g/mol
CAS Registry No.
5289-74-7
IUPAC Name
(2S,3R,5R,9R,10R,13R,14S,17S)-2,3,14-trihydroxy-10,13-dimethyl-17-[(2R,3R)-2,3,6-trihydroxy-6-methylheptan-2-yl]-2,3,4,5,9,11,12,15,16,17-decahydro-1H-cyclopenta[a]phenanthren-6-one
InChIKey
NKDFYOWSKOHCCO-YPVLXUMRSA-N
SMILES
C[C@]12CC[C@H]3C(=CC(=O)[C@H]4[C@@]3(C[C@@H]([C@@H](C4)O)O)C)[C@@]1(CC[C@@H]2[C@](C)([C@@H](CCC(C)(C)O)O)O)O
MeSH Unique ID
D004441
Source
PubChem CID 5459840

MeSH Record

Classification

Broader headings

Related Concepts

Knowledge Graph

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MeSH Record

See Also

MeSH Record

Synonyms

5 entry terms
  • 20-Hydroxyecdysone
  • Beta-Ecdysone
  • Crustecdysone
  • 20 Hydroxyecdysone
  • Beta Ecdysone

MeSH Record

Aspects Covered

28 allowable subheadings

Indexed with the subheadings administration & dosage, adverse effects, agonists, analogs & derivatives, analysis, antagonists & inhibitors, biosynthesis, blood, cerebrospinal fluid, chemical synthesis, chemistry, classification, 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 ECDYSONE

MeSH Record

History Note

1977 (1969)

MeSH Record

Previous Indexing

  • Cholestanes (1968-1972)
  • Ecdysone (1966-1974)
  • Hormones (1966)
  • Insects (1966)
  • Invertebrate Hormones (1967-1974)

MeSH Hierarchy

Tree Numbers

  1. D04w.210.500w.247.222w.265.165w.750w
  2. D06.472w.445.573.271w.750w

AMA Style

References

  1. National Library of Medicine. Ecdysterone. Medical Subject Headings (MeSH). 2026. Unique ID D004441. http://id.nlm.nih.gov/mesh/2026/D004441
  2. Ecdysterone. In: Wikipedia. https://en.wikipedia.org/wiki/20-Hydroxyecdysone
  3. Ecdysterone. In: Wikidata. https://www.wikidata.org/wiki/Q423338
  4. Ecdysterone. In: PubChem Compound. CID 5459840. https://pubchem.ncbi.nlm.nih.gov/compound/5459840