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Steroids and sterols

7alpha-Hydroxytestosterone

Also known as 7-Hydroxytestosterone, (7R,8R,9S,10R,13S,14S,17S)-7,17-dihydroxy-10,13-dimethyl-1,2,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-3-one, 7alpha,17beta-dihydroxyandrost-4-en-3-one

CAS 62-83-9Formula C19H28O3Molar mass 304.43 g/molEC 103-015-1
GHS signal word: Danger. Pictograms: Serious health hazard 1 supplier listed
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7alpha-Hydroxytestosterone chemical structure, C19H28O3, CAS 62-83-9
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
62-83-9
Formula
C19H28O3
Molar mass
304.43 g/mol
EC number
103-015-1
HS code
293729
Category
Steroids and sterols

What is 7alpha-Hydroxytestosterone?

Plain description, key identifiers and synonyms

7alpha -hydroxytestosterone is an androstanoid that is testosterone substituted by a alpha-hydroxy group at position 7. A natural product found in Daphnia magna exposed to the biocide tributyltin. It has a role as an androgen, a mouse metabolite and a Daphnia magna metabolite. It is a 17beta-hydroxy steroid, a 7alpha-hydroxy steroid, a 3-oxo-Delta(4) steroid and an androstanoid. It is functionally related to a testosterone.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(7R,8R,9S,10R,13S,14S,17S)-7,17-dihydroxy-10,13-dimethyl-1,2,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-3-one
CAS number
62-83-9
EC number
103-015-1
Molecular formula
C19H28O3
UNII
6VJJ9I1FHR
InChIKey
RNCGWYKXAJCOLD-JUKXBMAYSA-N
InChI
InChI=1S/C19H28O3/c1-18-7-5-12(20)9-11(18)10-15(21)17-13-3-4-16(22)19(13,2)8-6-14(17)18/h9,13-17,21-22H,3-8,10H2,1-2H3/t13-,14-,15+,16-,17-,18-,19-/m0/s1
Canonical SMILES
CC12CCC(=O)C=C1CC(O)C1C2CCC2(C)C(O)CCC12
Isomeric SMILES
C[C@]12CC[C@H]3[C@H]([C@@H]1CC[C@@H]2O)[C@@H](CC4=CC(=O)CC[C@]34C)O

Synonyms

  • 7-Hydroxytestosterone
  • (7R,8R,9S,10R,13S,14S,17S)-7,17-dihydroxy-10,13-dimethyl-1,2,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-3-one
  • 7alpha,17beta-dihydroxyandrost-4-en-3-one
  • Androst-4-en-3-one, 7,17-dihydroxy-, (7alpha,17beta)-
  • (7R,8R,9S,10R,13S,14S,17S)-7,17-dihydroxy-10,13-dimethyl-1,2,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta(a)phenanthren-3-one
  • 7?-Hydroxytestosterone
  • 7alpha -hydroxytestosterone
  • 4-Androstene-7a,17b-diol-3-one,
  • 7a,17b-Dihydroxyandrost-4-en-3-one
  • 7alpha,17beta-dihydroxy-4-androsten-3-one
  • Androst-4-en-3-one, 7alpha,17beta-dihydroxy-
  • (7alpha,17.beta.)-7,17-dihydroxyandrost-4-en-3-one
  • Androst-4-en-3-one, 7,17-dihydroxy-, (7alpha,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
304.43 g/molcalc.
Exact mass
304.2038 Dacalc.
LogP (octanol/water)
2.85calc.
Topological polar surface area
57.53 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
0calc.
Heavy atoms
22calc.
Rings
4calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.84calc.
Formal charge
0calc.
Stereocentres
7calc.
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

GHS signal word
Danger
GHS08: Serious health hazard
Serious health hazard

Hazard statements

  • H351Suspected of causing cancer.
  • H360May damage fertility or the unborn child.
Precautionary statements (5)
  • P203Obtain, read and follow all safety instructions before use.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P318If exposed or concerned, get medical advice.
  • 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

7alpha-Hydroxytestosterone suppliers

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Where suppliers are based

1 supplier in 1 country

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7alpha-Hydroxytestosterone 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

Roles

  • Daphnia magna metabolite
  • Daphnia metabolite
  • agonist
  • androgen
  • animal metabolite
  • crustacean metabolite
  • eukaryotic metabolite
  • hormone
  • mammalian metabolite
  • metabolite
  • molecular messenger
  • mouse metabolite
  • 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 7alpha-Hydroxytestosterone 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 7alpha-Hydroxytestosterone is indicative (it is known at chapter level only). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about 7alpha-Hydroxytestosterone, based on the data on this page

What is 7alpha-Hydroxytestosterone?

7alpha -hydroxytestosterone is an androstanoid that is testosterone substituted by a alpha-hydroxy group at position 7. A natural product found in Daphnia magna exposed to the biocide tributyltin. It has a role as an androgen, a mouse metabolite and a Daphnia magna metabolite.

What is the CAS number of 7alpha-Hydroxytestosterone?

The CAS registry number of 7alpha-Hydroxytestosterone is 62-83-9.

What is the molecular formula and weight of 7alpha-Hydroxytestosterone?

The molecular formula of 7alpha-Hydroxytestosterone is C19H28O3 and its molar mass is 304.43 g/mol.

What is 7alpha-Hydroxytestosterone used for?

Known uses and roles of 7alpha-Hydroxytestosterone include daphnia magna metabolite, daphnia metabolite, agonist, androgen, animal metabolite and 8 more.

Is 7alpha-Hydroxytestosterone hazardous?

7alpha-Hydroxytestosterone carries the GHS signal word "Danger". Main hazards: suspected of causing cancer, may damage fertility or the unborn child. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of 7alpha-Hydroxytestosterone?

7alpha-Hydroxytestosterone 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 7alpha-Hydroxytestosterone?

CompoundList lists 1 supplier of 7alpha-Hydroxytestosterone in 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 7alpha-Hydroxytestosterone?

Suppliers quote 7alpha-Hydroxytestosterone 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 7alpha-Hydroxytestosterone

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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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