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Dihydrotestosterone

Athanor · official

C19H30O2 · 290.4 g/mol

IUPAC name: (5S,8R,9S,10S,13S,14S,17S)-17-hydroxy-10,13-dimethyl-1,2,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydrocyclopenta[a]phenanthren-3-one

Also called DHT, stanolone, androstanolone

HormonesLipids
Open in Athanor
The structure of Dihydrotestosterone
Drawn from its SMILES with RDKit
Health hazardDangerSuspected of causing cancer · May damage fertility or the unborn child

Names and identifiers

IUPAC name
(5S,8R,9S,10S,13S,14S,17S)-17-hydroxy-10,13-dimethyl-1,2,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydrocyclopenta[a]phenanthren-3-one
Synonyms
DHT, stanolone, androstanolone
+ 38 more

STANOLONE, Androstanolone, Anabolex, Andractim, Androlone, Neodrol, 4-Dihydrotestosterone, Anaboleen, Proteina, Stanaprol, Protona, 5alpha-Dihydrotestosterone, Cristerona MB, 17beta-Hydroxy-5alpha-androstan-3-one, Androstanolona, 5alpha-Androstan-17beta-ol-3-one, 5-alpha-Dihydrotestosterone, Testosterone, dihydro-, 4,5alpha-Dihydrotestosterone, Androstanolonum, 5alpha-DHT, Androstalone, Dihydrotestosteron, 17beta-Hydroxy-3-androstanone, Androstan-17beta-ol-3-one, 5alpha,17beta-Hydroxyandrostan-3-one, DTXSID9022364, dihydrotestosterone (dht), NSC-10972, CHEBI:16330, 08J2K08A3Y, (5S,8R,9S,10S,13S,14S,17S)-17-hydroxy-10,13-dimethyl-1,2,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydrocyclopenta[a]phenanthren-3-one, Androstan-3-one, 17-hydroxy-, (5alpha,17beta)-, 17beta-Hydroxy-5alpha-androstane-3-one, DTXCID202364, (5alpha,17beta)-17-hydroxyandrostan-3-one, NSC10972, (5S,8R,9S,10S,13S,14S,17S)-17-hydroxy-10,13-dimethyl-1,2,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydrocyclopenta(a)phenanthren-3-one

Molecular formula
C19H30O2
Empirical formula
C19H30O2
Molecular weight
290.4 g/mol
Exact mass
290.22458
CAS number
521-18-6
PubChem CID
10635
Canonical SMILES
CC12CCC(=O)CC1CCC3C2CCC4(C3CCC4O)C
Isomeric SMILES
C[C@]12CCC(=O)C[C@@H]1CC[C@@H]3[C@@H]2CC[C@]4([C@H]3CC[C@@H]4O)C
InChI
InChI=1S/C19H30O2/c1-18-9-7-13(20)11-12(18)3-4-14-15-5-6-17(21)19(15,2)10-8-16(14)18/h12,14-17,21H,3-11H2,1-2H3/t12-,14-,15-,16-,17-,18-,19-/m0/s1
InChIKey
NVKAWKQGWWIWPM-ABEVXSGRSA-N
Molfile

Names, InChI and the identifiers from PubChem, retrieved 2026-10-14.

Calculated

Heavy atoms
21
Rings
4
Aromatic rings
0
Fraction sp³ carbons (Fsp3)
0.95
H-bond donors
1
H-bond acceptors
2
Rotatable bonds
0
TPSA (Ų)
37.3
Formal charge
0
XLogP3
3.7 PubChem
Complexity
458 PubChem
Stereocenters
7 definedCIP: C2: S · C5: S · C6: R · C9: S · C15: S · C17: S · C20: S
Double-bond geometry
None specified
Point group
C1 of one 3D conformer with its hydrogens, by Athanor’s engine (as in the app)

Elemental analysis

  • C78.57%
  • H10.41%
  • O11.02%

Isotope pattern

100%290.22521%291.2282.5%292.231293.234

Each peak is a nominal mass with its abundance-weighted exact mass, as a percentage of the tallest, from IUPAC natural isotope abundances.

Computed from the structure with RDKit 2026.09 when this page was built, beside PubChem's own computed values from its record; where the two differ, both are shown.

Predicted

log P
3.96 Crippen (Wildman and Crippen 1999)
log S (water solubility)
-4.14 ESOL (Delaney 2004), log mol/L
Synthetic accessibility
3.99 SA score, 1 easy to 10 hard (Ertl and Schuffenhauer 2009)

Drug-likeness: Lipinski’s rule of five

  • Molecular weight ≤ 500: 290.45
  • log P ≤ 5 (Crippen): 3.96
  • H-bond donors ≤ 5: 1
  • H-bond acceptors ≤ 10: 2

Passes all four rules.

¹³C NMR shifts, predicted

Predictions, not measurements; each names its method. A measured log P, where a source reports one, is under Physical properties.

Safety

Danger

Most widely reported: 60 company reports to ECHA. Source [1].

  • Health hazard
  • H351Suspected of causing cancer (98.3% of reports)
  • H360May damage fertility or the unborn child (95% of reports)

Precautionary statements: P203, P280, P318, P405, P501

Always read the supplier’s safety data sheet before working with it.

Spectra

Experimental spectra held by these sources; each link opens the source's own record.

Literature

Reading PubChem, OpenAlex and GSRS…

Bioactivity

Reading ChEMBL…

References

  1. [1]European Chemicals Agency (ECHA) · ECHA legal notice: reuse with acknowledgement · via PubChem · retrieved 2026-10-14
  2. [2]SpectraBase · Linked only · via PubChem · retrieved 2026-10-14
  3. [3]Human Metabolome Database (HMDB) · Linked only · via PubChem · retrieved 2026-10-14
  4. [4]MassBank of North America (MoNA) · CC BY 4.0 · via PubChem · retrieved 2026-10-14
  5. [5]NIST Mass Spectrometry Data Center · Linked only · via PubChem · retrieved 2026-10-14
  6. [6]MassBank Europe · Linked only · via PubChem · retrieved 2026-10-14
  7. ·Calculated values: computed by Athanor with RDKit 2026.09 from the structure.
  8. ·Literature on PubChem

Data last updated 2026-10-14.