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Steroids and sterols

Ecdysone

Also known as (2beta,3beta,5beta,22R)-2,3,14,22,25-Pentahydroxycholest-7-en-6-one, 2beta,3beta,14alpha,22R,25-pentahydroxy-5beta-cholest-7-en-6-one, (22R)-2beta,3beta,14alpha,22,25-pentahydroxy-5beta-cholest-7-en-6-one

CAS 3604-87-3Formula C27H44O6Molar mass 464.64 g/molEC 222-760-4
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Ecdysone chemical structure, C27H44O6, CAS 3604-87-3
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
3604-87-3
Formula
C27H44O6
Molar mass
464.64 g/mol
EC number
222-760-4
HS code
291440
Category
Steroids and sterols

What is Ecdysone?

Plain description, key identifiers and synonyms

Ecdysone is a 6-oxo steroid that is 5beta-cholest-7-en-6-one substituted by hydroxy groups at positions 2, 3, 14, 22 and 25 respectively (the 2beta, 3beta, 22R stereoisomer). It is a steroid prohormone of the major insect moulting hormone 20-hydroxyecdysone. It has a role as a prohormone. It is an ecdysteroid, a 3beta-sterol, a 2beta-hydroxy steroid, a 14alpha-hydroxy steroid, a 22-hydroxy steroid, a 25-hydroxy steroid and a 6-oxo steroid. It derives from a hydride of a 5beta-cholestane.

Ecdysone is a precursor of an insect hormone.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(2S,3R,5R,9R,10R,13R,14S,17R)-17-[(2S,3R)-3,6-dihydroxy-6-methylheptan-2-yl]-2,3,14-trihydroxy-10,13-dimethyl-2,3,4,5,9,11,12,15,16,17-decahydro-1H-cyclopenta[a]phenanthren-6-one
CAS number
3604-87-3 CAS number cross-checked
EC number
222-760-4
Molecular formula
C27H44O6
UNII
RH692X7B7B
InChIKey
UPEZCKBFRMILAV-JMZLNJERSA-N
InChI
InChI=1S/C27H44O6/c1-15(20(28)8-9-24(2,3)32)16-7-11-27(33)18-12-21(29)19-13-22(30)23(31)14-25(19,4)17(18)6-10-26(16,27)5/h12,15-17,19-20,22-23,28,30-33H,6-11,13-14H2,1-5H3/t15-,16+,17-,19-,20+,22+,23-,25+,26+,27+/m0/s1
Canonical SMILES
CC(C(O)CCC(C)(C)O)C1CCC2(O)C3=CC(=O)C4CC(O)C(O)CC4(C)C3CCC12C
Isomeric SMILES
C[C@@H]([C@H]1CC[C@@]2([C@@]1(CC[C@H]3C2=CC(=O)[C@H]4[C@@]3(C[C@@H]([C@@H](C4)O)O)C)C)O)[C@@H](CCC(C)(C)O)O

Synonyms

  • (2beta,3beta,5beta,22R)-2,3,14,22,25-Pentahydroxycholest-7-en-6-one
  • 2beta,3beta,14alpha,22R,25-pentahydroxy-5beta-cholest-7-en-6-one
  • (22R)-2beta,3beta,14alpha,22,25-pentahydroxy-5beta-cholest-7-en-6-one
  • Cholest-7-en-6-one, 2,3,14,22,25-pentahydroxy-, (2beta,3beta,5beta,22R)-
  • alpha-Ecdysone
  • 5-beta-Cholest-7-en-6-one, 2-beta,3-beta,14,22,25-pentahydroxy-, (20S,22R)-
  • a-Ecdysone ( >90%)
  • (2ss,3ss,5ss,22R)-2,3,14,22,25-pentahydroxycholest-7-en-6-one
  • cent-Ecdysone
  • a-Ecdysone
  • Cholest-7-en-6-one, 2,3,14,22,25-pentahydroxy-, (2b,3b,5b,22R)-
  • alpha-Ecdysone, >=90%
  • 4-08-00-03613 (Beilstein Handbook Reference)
  • MeSH ID: D004440
  • (22R)-2beta,3beta,14,22,25-pentahydroxy-5beta-cholest-7-en-6-one
  • alpha-Ecdysone, >=99.0% (UV)
  • Cholest-7-en-6-one, 2,3,14,22,25-pentahydroxy-, (2-beta,3-beta,5-beta,22R)-
  • 2b,3b,14a,22(R),25-Pentahydroxy-7-cholesten-6-one
  • (22R)-2beta,3beta,14alpha,22,25-pentahydroxy-5beta-cholest-7-en-6-one, Ecdysone
  • 5beta-Cholest-7-en-6-one, 2beta,3beta,14,22,25-pentahydroxy-, (20S,22R)-

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
464.64 g/molcalc.
Exact mass
464.3138 Dacalc.
LogP (octanol/water)
2.74calc.
Topological polar surface area
118.2 Ųcalc.
Hydrogen bond donors
5calc.
Hydrogen bond acceptors
6calc.
Rotatable bonds
5calc.
Heavy atoms
33calc.
Rings
4calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.89calc.
Formal charge
0calc.
Stereocentres
10calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, O=C1C=C2C3CCCC3CCC2C2CCCCC12

O=C1C=C2C3CCCC3CCC2C2CCCCC12

4 rings, 18 atoms.

113 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Ecdysone suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

All 38 suppliers
30 of 30 offers

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Where suppliers are based

38 suppliers in 8 countries

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Ecdysone price

Indicative price range per kg from live supplier offers

No published prices right now

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Uses and applications

What the substance is used for, by industry and function

Roles

  • prohormone

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Ecdysone is traded under.

HS 2914.40Indicative HS code

Ketone-alcohols and ketone-aldehydes

World exports in 2024
$199M
+2.5% vs 2023, imports $247M
2019 to 2024
Top exporters
  1. China29.5%
  2. Germany14.4%
  3. Netherlands12.7%
Top importers
  1. United States37.2%
  2. Netherlands8.5%
  3. Germany6.4%
Reported customs values in USD, not prices.Full trade data

The HS code shown for Ecdysone is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Ecdysone, based on the data on this page

What is Ecdysone?

Ecdysone is a 6-oxo steroid that is 5beta-cholest-7-en-6-one substituted by hydroxy groups at positions 2, 3, 14, 22 and 25 respectively (the 2beta, 3beta, 22R stereoisomer). It is a steroid prohormone of the major insect moulting hormone 20-hydroxyecdysone. It has a role as a prohormone.

What is the CAS number of Ecdysone?

The CAS registry number of Ecdysone is 3604-87-3.

What is the molecular formula and weight of Ecdysone?

The molecular formula of Ecdysone is C27H44O6 and its molar mass is 464.64 g/mol.

What is Ecdysone used for?

Known uses and roles of Ecdysone include prohormone.

Is Ecdysone hazardous?

No GHS hazard classification for Ecdysone is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of Ecdysone?

Ecdysone is usually classified under HS code 291440 (Ketone-alcohols and ketone-aldehydes). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Ecdysone?

CompoundList lists 38 suppliers of Ecdysone in United States, China, Spain, United Kingdom and 4 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Ecdysone?

Suppliers quote Ecdysone on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Ecdysone

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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