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Steroids and sterols

2alpha-Fluorodihydrotestosterone

Also known as Androstan-3-one, 2-fluoro-17-hydroxy-, (2alpha,5alpha,17beta)-, 2Alpha-fluoro-17beta-hydroxy-5alpha-androstan-3-one, 5alpha-androstan-3-one, 2alpha-fluoro-17beta-hydroxy-

CAS 1649-46-3Formula C19H29FO2Molar mass 308.44 g/mol
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2alpha-Fluorodihydrotestosterone chemical structure, C19H29FO2, CAS 1649-46-3
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
1649-46-3
Formula
C19H29FO2
Molar mass
308.44 g/mol
HS code
291479
Category
Steroids and sterols

What is 2alpha-Fluorodihydrotestosterone?

Plain description, key identifiers and synonyms

2alpha-Fluorodihydrotestosterone is a chemical substance with the molecular formula C19H29FO2 and a molar mass of 308.44 g/mol. Its CAS registry number is 1649-46-3. The IUPAC name is (2R,5S,8R,9S,10S,13S,14S,17S)-2-fluoro-17-hydroxy-10,13-dimethyl-1,2,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydrocyclopenta[a]phenanthren-3-one.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(2R,5S,8R,9S,10S,13S,14S,17S)-2-fluoro-17-hydroxy-10,13-dimethyl-1,2,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydrocyclopenta[a]phenanthren-3-one
CAS number
1649-46-3 CAS number cross-checked
Molecular formula
C19H29FO2
UNII
FJ5LYP2HC6
InChIKey
QBAHMYSNLVHPJQ-TVGHHNFTSA-N
InChI
InChI=1S/C19H29FO2/c1-18-8-7-14-12(13(18)5-6-17(18)22)4-3-11-9-16(21)15(20)10-19(11,14)2/h11-15,17,22H,3-10H2,1-2H3/t11-,12-,13-,14-,15+,17-,18-,19-/m0/s1
Canonical SMILES
CC12CCC3C(CCC4CC(=O)C(F)CC43C)C1CCC2O
Isomeric SMILES
C[C@]12CC[C@H]3[C@H]([C@@H]1CC[C@@H]2O)CC[C@@H]4[C@@]3(C[C@H](C(=O)C4)F)C

Synonyms

  • Androstan-3-one, 2-fluoro-17-hydroxy-, (2alpha,5alpha,17beta)-
  • 2Alpha-fluoro-17beta-hydroxy-5alpha-androstan-3-one
  • 5alpha-androstan-3-one, 2alpha-fluoro-17beta-hydroxy-
  • Androstan-3-one, 2alpha-fluoro-17beta-hydroxy-
  • 2-alpha-Fluoro-17-alpha-hydroxy-5-alpha-androst-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
308.44 g/molcalc.
Exact mass
308.2152 Dacalc.
LogP (octanol/water)
3.91calc.
Topological polar surface area
37.3 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
0calc.
Heavy atoms
22calc.
Rings
4calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.95calc.
Formal charge
0calc.
Stereocentres
8calc.
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=C1CCC2C(CCC3C4CCCC4CCC23)C1

O=C1CCC2C(CCC3C4CCCC4CCC23)C1

4 rings, 18 atoms.

338 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.

2alpha-Fluorodihydrotestosterone suppliers

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2alpha-Fluorodihydrotestosterone 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 2alpha-Fluorodihydrotestosterone is traded under.

HS 2914.79Indicative HS code

Halogenated, sulphonated, nitrated or nitrosated derivatives, other

World exports in 2024
$558M
−12.1% vs 2023, imports $608M
2019 to 2024
Top exporters
  1. China41.2%
  2. India * partner reported28.7%
  3. Germany16.7%
Top importers
  1. United States29.1%
  2. Italy9.9%
  3. Switzerland * partner reported8.8%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for 2alpha-Fluorodihydrotestosterone is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about 2alpha-Fluorodihydrotestosterone, based on the data on this page

What is 2alpha-Fluorodihydrotestosterone?

2alpha-Fluorodihydrotestosterone is a chemical substance with the molecular formula C19H29FO2 and a molar mass of 308.44 g/mol. Its CAS registry number is 1649-46-3.

What is the CAS number of 2alpha-Fluorodihydrotestosterone?

The CAS registry number of 2alpha-Fluorodihydrotestosterone is 1649-46-3.

What is the molecular formula and weight of 2alpha-Fluorodihydrotestosterone?

The molecular formula of 2alpha-Fluorodihydrotestosterone is C19H29FO2 and its molar mass is 308.44 g/mol.

Is 2alpha-Fluorodihydrotestosterone hazardous?

No GHS hazard classification for 2alpha-Fluorodihydrotestosterone 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 2alpha-Fluorodihydrotestosterone?

2alpha-Fluorodihydrotestosterone is usually classified under HS code 291479 (Halogenated, sulphonated, nitrated or nitrosated derivatives, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy 2alpha-Fluorodihydrotestosterone?

Post a free request on CompoundList and suppliers of 2alpha-Fluorodihydrotestosterone will send you quotes. Your contact details stay private until you accept a quote.

What is the price of 2alpha-Fluorodihydrotestosterone?

Suppliers quote 2alpha-Fluorodihydrotestosterone 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 2alpha-Fluorodihydrotestosterone

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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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