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Steroids and sterols

Testosterone palmitate

Also known as Androst-4-en-3-one, 17-((1-oxohexadecyl)oxy)-, (17beta)-, [(8R,9S,10R,13S,14S,17S)-10,13-dimethyl-3-oxo-1,2,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-17-yl] hexadecanoate, 3-Oxoandrost-4-en-17beta-yl hexadecanoate

CAS 991-20-8Formula C35H58O3Molar mass 526.85 g/molEC 686-291-0
GHS signal word: Danger. Pictograms: Harmful or irritant, Serious health hazard
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Testosterone palmitate chemical structure, C35H58O3, CAS 991-20-8
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
991-20-8
Formula
C35H58O3
Molar mass
526.85 g/mol
EC number
686-291-0
HS code
293729
Category
Steroids and sterols

What is Testosterone palmitate?

Plain description, key identifiers and synonyms

Testosterone palmitate is a chemical substance with the molecular formula C35H58O3 and a molar mass of 526.85 g/mol. Its CAS registry number is 991-20-8. The IUPAC name is [(8R,9S,10R,13S,14S,17S)-10,13-dimethyl-3-oxo-1,2,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-17-yl] hexadecanoate.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
[(8R,9S,10R,13S,14S,17S)-10,13-dimethyl-3-oxo-1,2,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-17-yl] hexadecanoate
CAS number
991-20-8 CAS number cross-checked
EC number
686-291-0
Molecular formula
C35H58O3
UNII
UV7U6AQ9KP
InChIKey
OKFBXYQPCPWWRP-SHDAAXGTSA-N
InChI
InChI=1S/C35H58O3/c1-4-5-6-7-8-9-10-11-12-13-14-15-16-17-33(37)38-32-21-20-30-29-19-18-27-26-28(36)22-24-34(27,2)31(29)23-25-35(30,32)3/h26,29-32H,4-25H2,1-3H3/t29-,30-,31-,32-,34-,35-/m0/s1
Canonical SMILES
CCCCCCCCCCCCCCCC(=O)OC1CCC2C3CCC4=CC(=O)CCC4(C)C3CCC12C
Isomeric SMILES
CCCCCCCCCCCCCCCC(=O)O[C@H]1CC[C@@H]2[C@@]1(CC[C@H]3[C@H]2CCC4=CC(=O)CC[C@]34C)C

Synonyms

  • Androst-4-en-3-one, 17-((1-oxohexadecyl)oxy)-, (17beta)-
  • [(8R,9S,10R,13S,14S,17S)-10,13-dimethyl-3-oxo-1,2,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-17-yl] hexadecanoate
  • 3-Oxoandrost-4-en-17beta-yl hexadecanoate
  • (17.Beta.)-3-oxoandrost-4-en-17-yl palmitate
  • Androst-4-en-3-one, 17-((1-oxohexadecyl)oxy)-, (17.beta.)-

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
526.85 g/molcalc.
Exact mass
526.4386 Dacalc.
LogP (octanol/water)
9.91calc.
Topological polar surface area
43.37 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
15calc.
Heavy atoms
38calc.
Rings
4calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.89calc.
Formal charge
0calc.
Stereocentres
6calc.
Lipinski rule of five
Fails (2 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

GHS signal word
Danger
GHS07: Harmful or irritant
Harmful or irritant
GHS08: Serious health hazard
Serious health hazard

Hazard statements

  • H302Harmful if swallowed.
  • H312Harmful in contact with skin.
  • H332Harmful if inhaled.
  • H351Suspected of causing cancer.
  • H360May damage fertility or the unborn child.
Precautionary statements (16)
  • P203Obtain, read and follow all safety instructions before use.
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P270Do not eat, drink or smoke when using this product.
  • P271Use only outdoors or in a well-ventilated area.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P317If swallowed: Get medical help.
  • P302 + P352If on skin: Wash with plenty of water.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P317Get medical help.
  • P318If exposed or concerned, get medical advice.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P405Store locked up.
  • 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

Testosterone palmitate suppliers

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Testosterone palmitate price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Applications are not documented for this substance yet. Suppliers often describe uses on their product pages, linked in the suppliers list above.

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 Testosterone palmitate 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 Testosterone palmitate is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Testosterone palmitate, based on the data on this page

What is Testosterone palmitate?

Testosterone palmitate is a chemical substance with the molecular formula C35H58O3 and a molar mass of 526.85 g/mol. Its CAS registry number is 991-20-8. The IUPAC name is [(8R,9S,10R,13S,14S,17S)-10,13-dimethyl-3-oxo-1,2,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-17-yl] hexadecanoate.

What is the CAS number of Testosterone palmitate?

The CAS registry number of Testosterone palmitate is 991-20-8.

What is the molecular formula and weight of Testosterone palmitate?

The molecular formula of Testosterone palmitate is C35H58O3 and its molar mass is 526.85 g/mol.

Is Testosterone palmitate hazardous?

Testosterone palmitate carries the GHS signal word "Danger". Main hazards: harmful if swallowed, harmful in contact with skin, harmful if inhaled. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Testosterone palmitate?

Testosterone palmitate 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 Testosterone palmitate?

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

What is the price of Testosterone palmitate?

Suppliers quote Testosterone palmitate 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 Testosterone palmitate

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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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