CompoundList
Sign in
Steroids and sterols

Topterone

Also known as Topterona, Topteronum, Win 17665

CAS 60607-35-4Formula C22H34O2Molar mass 330.51 g/molEC 262-321-4
Get quotes Safety data
Topterone chemical structure, C22H34O2, CAS 60607-35-4
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
60607-35-4
Formula
C22H34O2
Molar mass
330.51 g/mol
EC number
262-321-4
HS code
293729
Category
Steroids and sterols

What is Topterone?

Plain description, key identifiers and synonyms

Topterone is a chemical substance with the molecular formula C22H34O2 and a molar mass of 330.51 g/mol. Its CAS registry number is 60607-35-4. The IUPAC name is (8R,9S,10R,13S,14S,17S)-17-hydroxy-10,13-dimethyl-17-propyl-2,6,7,8,9,11,12,14,15,16-decahydro-1H-cyclopenta[a]phenanthren-3-one.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(8R,9S,10R,13S,14S,17S)-17-hydroxy-10,13-dimethyl-17-propyl-2,6,7,8,9,11,12,14,15,16-decahydro-1H-cyclopenta[a]phenanthren-3-one
CAS number
60607-35-4 CAS number cross-checked
EC number
262-321-4
Molecular formula
C22H34O2
UNII
77WPB17ZK1
InChIKey
LZSOOHLAZHOTHJ-GUCLMQHLSA-N
InChI
InChI=1S/C22H34O2/c1-4-10-22(24)13-9-19-17-6-5-15-14-16(23)7-11-20(15,2)18(17)8-12-21(19,22)3/h14,17-19,24H,4-13H2,1-3H3/t17-,18+,19+,20+,21+,22+/m1/s1
Canonical SMILES
CCCC1(O)CCC2C3CCC4=CC(=O)CCC4(C)C3CCC21C
Isomeric SMILES
CCC[C@@]1(CC[C@@H]2[C@@]1(CC[C@H]3[C@H]2CCC4=CC(=O)CC[C@]34C)C)O

Synonyms

  • Topterona
  • Topteronum
  • Win 17665
  • 17-propyltestosterone
  • (17 beta)-17-hydroxy-17-propylandrost-4-en-3-one
  • (8R,9S,10R,13S,14S,17S)-17-hydroxy-10,13-dimethyl-17-propyl-2,6,7,8,9,11,12,14,15,16-decahydro-1H-cyclopenta[a]phenanthren-3-one
  • 17beta-Hydroxy-17-propylandrost-4-en-3-one
  • Topterone (USAN/INN)
  • (17beta)-17-Hydroxy-17-propylandrost-4-en-3-one
  • Androst-4-en-3-one, 17-hydroxy-17-propyl-, (17beta)-
  • (1S,3aS,3bR,9aR,9bS,11aS)-1-Hydroxy-9a,11a-dimethyl-1-propyl-1,2,3,3a,3b,4,5,8,9,9a,9b,10,11,11a-tetradecahydro-7H-cyclopenta[a]phenanthren-7-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
330.51 g/molcalc.
Exact mass
330.2559 Dacalc.
LogP (octanol/water)
5.05calc.
Topological polar surface area
37.3 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
2calc.
Heavy atoms
24calc.
Rings
4calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.86calc.
Formal charge
0calc.
Stereocentres
6calc.
Lipinski rule of five
Passes (1 violation)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.

Topterone suppliers

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

No supplier listings yet

Post one free request and suppliers who make or trade Topterone can send you quotes. Your contact details stay private until you accept a quote.

Request quotesSell this chemical

Topterone price

Indicative price range per kg from live supplier offers

No published prices right now

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

Get latest price

Uses and applications

What the substance is used for, by industry and function

Roles

  • agonist
  • androgen
  • hormone
  • molecular messenger
  • 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 Topterone 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 Topterone is indicative (it is known at chapter level only). Confirm the classification with your customs broker before shipping.

Frequently asked questions

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

What is Topterone?

Topterone is a chemical substance with the molecular formula C22H34O2 and a molar mass of 330.51 g/mol. Its CAS registry number is 60607-35-4. The IUPAC name is (8R,9S,10R,13S,14S,17S)-17-hydroxy-10,13-dimethyl-17-propyl-2,6,7,8,9,11,12,14,15,16-decahydro-1H-cyclopenta[a]phenanthren-3-one.

What is the CAS number of Topterone?

The CAS registry number of Topterone is 60607-35-4.

What is the molecular formula and weight of Topterone?

The molecular formula of Topterone is C22H34O2 and its molar mass is 330.51 g/mol.

What is Topterone used for?

Known uses and roles of Topterone include agonist, androgen, hormone, molecular messenger and sex hormone.

Is Topterone hazardous?

No GHS hazard classification for Topterone 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 Topterone?

Topterone 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 Topterone?

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

What is the price of Topterone?

Suppliers quote Topterone 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 Topterone

Get quotes for Topterone

Post one free request with your grade, quantity and destination. Matching suppliers send quotes you can compare side by side.
Post a request Sell Topterone
Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
Embed this structure on your websiteShow code

Paste this code into your page to show the 2D structure of Topterone with a 3D view, its CAS number where known and a link back to this page. Free to use with the link kept.

<iframe src="https://www.compoundlist.com/embed/structure/topterone-60607-35-4" title="Topterone structure on CompoundList" width="360" height="420" style="border:1px solid #E7E2DA;border-radius:12px;max-width:100%" loading="lazy" referrerpolicy="strict-origin-when-cross-origin"></iframe>
Preview the embed

Explore more in Steroids and sterols or HS code 293729

Price on request
Free quotes, contact stays private
Get quotes