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Steroids and sterols

Itruvone

Also known as Pregn-4-en-20-yn-3-one, ph-10, (8S,9S,10R,13S,14S,17R)-17-ethynyl-10,13-dimethyl-1,2,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-3-one

CAS 21321-89-1Formula C21H28OMolar mass 296.45 g/mol
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Itruvone chemical structure, C21H28O, CAS 21321-89-1
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
21321-89-1
Formula
C21H28O
Molar mass
296.45 g/mol
HS code
293729
Category
Steroids and sterols

What is Itruvone?

Plain description, key identifiers and synonyms

Itruvone is an experimental drug.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(8S,9S,10R,13S,14S,17R)-17-ethynyl-10,13-dimethyl-1,2,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-3-one
CAS number
21321-89-1
Molecular formula
C21H28O
UNII
72HML2UK6J
InChIKey
CHOUAXDNNAVGHR-NWSAAYAGSA-N
InChI
InChI=1S/C21H28O/c1-4-14-6-8-18-17-7-5-15-13-16(22)9-11-21(15,3)19(17)10-12-20(14,18)2/h1,13-14,17-19H,5-12H2,2-3H3/t14-,17-,18-,19-,20+,21-/m0/s1
Canonical SMILES
C#CC1CCC2C3CCC4=CC(=O)CCC4(C)C3CCC12C
Isomeric SMILES
C[C@]12CC[C@H]3[C@H]([C@@H]1CC[C@@H]2C#C)CCC4=CC(=O)CC[C@]34C

Synonyms

  • Pregn-4-en-20-yn-3-one
  • ph-10
  • (8S,9S,10R,13S,14S,17R)-17-ethynyl-10,13-dimethyl-1,2,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-3-one
  • Itruvona
  • Itruvone (USAN/INN)
  • BI PH10
  • pregn-4-en-20-yne-3-one

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
296.45 g/molcalc.
Exact mass
296.214 Dacalc.
LogP (octanol/water)
4.77calc.
Topological polar surface area
17.07 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
1calc.
Rotatable bonds
0calc.
Heavy atoms
22calc.
Rings
4calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.76calc.
Formal charge
0calc.
Stereocentres
6calc.
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=C2CCC3C4CCCC4CCC3C2CC1

O=C1C=C2CCC3C4CCCC4CCC3C2CC1

4 rings, 18 atoms.

1,419 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.

Itruvone suppliers

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

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Itruvone price

Indicative price range per kg from live supplier offers

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Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

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Uses and applications

What the substance is used for, by industry and function

Roles

  • agonist
  • androgen
  • antidepressant
  • central nervous system drug
  • dermatologic drug
  • hormone
  • molecular messenger
  • pharmaceutical
  • psychotropic drug
  • sex hormone

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 Itruvone is traded under.

HS 2937.29Indicative HS code

Steroidal hormones, their derivatives and structural analogues, other

World exports in 2024
$2.32B
+5.7% vs 2023, imports $2.41B
2019 to 2024
Top exporters
  1. Belgium25.3%
  2. United States24.9%
  3. China13.0%
Top importers
  1. Italy18.0%
  2. Canada13.0%
  3. Belgium12.2%
Reported customs values in USD, not prices.Full trade data

The HS code shown for Itruvone is indicative (it is known at chapter level only). Confirm the classification with your customs broker before shipping.

Frequently asked questions

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

What is Itruvone?

Itruvone is an experimental drug.

What is the CAS number of Itruvone?

The CAS registry number of Itruvone is 21321-89-1.

What is the molecular formula and weight of Itruvone?

The molecular formula of Itruvone is C21H28O and its molar mass is 296.45 g/mol.

What is Itruvone used for?

Known uses and roles of Itruvone include hormones and steroids in pharmaceuticals, agonist, androgen, antidepressant, central nervous system drug and 6 more.

Is Itruvone hazardous?

No GHS hazard classification for Itruvone 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 Itruvone?

Itruvone is usually classified under HS code 293729 (Steroidal hormones, their derivatives and structural analogues, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Itruvone?

Post a free request on CompoundList and suppliers of Itruvone will send you quotes. Your contact details stay private until you accept a quote.

What is the price of Itruvone?

Suppliers quote Itruvone 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 Itruvone

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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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