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Steroids and sterols

Clostebol acetate

Also known as Steranabol, 4-Chlorotestosterone acetate, Macrobin

CAS 855-19-6Formula C21H29ClO3Molar mass 364.91 g/molEC 212-720-4
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Clostebol acetate chemical structure, C21H29ClO3, CAS 855-19-6
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
855-19-6
Formula
C21H29ClO3
Molar mass
364.91 g/mol
EC number
212-720-4
HS code
291539
Category
Steroids and sterols

What is Clostebol acetate?

Plain description, key identifiers and synonyms

Clostebol acetate is a steroid ester.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
[(8R,9S,10R,13S,14S,17S)-4-chloro-10,13-dimethyl-3-oxo-1,2,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-17-yl] acetate
CAS number
855-19-6 CAS number cross-checked
EC number
212-720-4
Molecular formula
C21H29ClO3
UNII
780ZZX4P14
MDL number
MFCD00079075
InChIKey
XYGMEFJSKQEBTO-KUJXMBTLSA-N
InChI
InChI=1S/C21H29ClO3/c1-12(23)25-18-7-6-14-13-4-5-16-19(22)17(24)9-11-20(16,2)15(13)8-10-21(14,18)3/h13-15,18H,4-11H2,1-3H3/t13-,14-,15-,18-,20+,21-/m0/s1
Canonical SMILES
CC(=O)OC1CCC2C3CCC4=C(Cl)C(=O)CCC4(C)C3CCC12C
Isomeric SMILES
CC(=O)O[C@H]1CC[C@@H]2[C@@]1(CC[C@H]3[C@H]2CCC4=C(C(=O)CC[C@]34C)Cl)C

Synonyms

  • Steranabol
  • 4-Chlorotestosterone acetate
  • Macrobin
  • Chlorotestosterone acetate
  • (17beta)-17-(Acetyloxy)-4-chloroandrost-4-en-3-one
  • Megagrisevit
  • Anabolit
  • Stearanabol
  • Sterabol
  • Testomed
  • Turinabol
  • Test-anabol
  • 4-Chlorotestosterone 17-acetate
  • 4-Chlortestosterone acetate
  • 17beta-Acetoxy-4-chloroandrost-4-en-3-one
  • Testosterone, 4-chloro-, acetate
  • [(8R,9S,10R,13S,14S,17S)-4-chloro-10,13-dimethyl-3-oxo-1,2,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-17-yl] acetate
  • C21H29ClO3
  • Clostebol acetate (BAN)
  • Clostebol Acetat
  • Androst-4-en-3-one, 17-(acetyloxy)-4-chloro-, (17b)-
  • Clostene
  • Clostebolacetate
  • Alfa-Trofodermin
  • Clostebol Acetate (1mg/ml in Acetonitrile)
Show all 32 synonyms
  • Trofodermin (TN)
  • Clostebol 17 beta-acetate
  • Androst-4-en-3-one, 4-chloro-17beta-hydroxy-, acetate
  • Androst-4-en-3-one, 17-(acetyloxy)-4-chloro-, (17beta)-
  • ANDROST-4-EN-3-ONE, 4-CHLORO-17-beta-HYDROXY-, ACETATE
  • Clostebol Acetate (1 mg/ml in Acetonitrile)
  • 4-Chloro-17beta-acetoxyandrost-4-en-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
364.91 g/molcalc.
Exact mass
364.1805 Dacalc.
LogP (octanol/water)
5.02calc.
Topological polar surface area
43.37 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
1calc.
Heavy atoms
25calc.
Rings
4calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.81calc.
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

GHS classification
Hazard pictograms

Hazard statements

  • H413May cause long lasting harmful effects to aquatic life.
Precautionary statements (2)
  • P273Avoid release to the environment.
  • P501Dispose of contents and container in accordance with local regulations.

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

Full safety data and first aid

Clostebol acetate suppliers

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

All 3 suppliers

Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

3 suppliers in 3 countries

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Clostebol acetate 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.

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Uses and applications

What the substance is used for, by industry and function

Use classes: Pharmaceuticals.

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 Clostebol acetate is traded under.

HS 2915.39Indicative HS code

Esters of acetic acid, other

World exports in 2024
$2.03B
+7.9% vs 2023, imports $1.95B
2019 to 2024
Top exporters
  1. China58.0%
  2. United States7.3%
  3. Germany6.5%
Top importers
  1. Singapore15.6%
  2. South Korea7.2%
  3. Indonesia6.9%
Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

Quick answers about Clostebol acetate, based on the data on this page

What is Clostebol acetate?

Clostebol acetate is a steroid ester.

What is the CAS number of Clostebol acetate?

The CAS registry number of Clostebol acetate is 855-19-6.

What is the molecular formula and weight of Clostebol acetate?

The molecular formula of Clostebol acetate is C21H29ClO3 and its molar mass is 364.91 g/mol.

What is Clostebol acetate used for?

Use classes: Pharmaceuticals.

Is Clostebol acetate hazardous?

Clostebol acetate has a GHS hazard classification. Main hazards: may cause long lasting harmful effects to aquatic life. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Clostebol acetate?

Clostebol acetate is usually classified under HS code 291539 (Esters of acetic acid, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Clostebol acetate?

CompoundList lists 3 suppliers of Clostebol acetate in China, Malaysia and United States. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Clostebol acetate?

Suppliers quote Clostebol acetate 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 Clostebol acetate

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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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