A summary of the most common chemical descriptors (InChI Key and SMILES codes) for Stanozolol are summarized together with 3D and 2D structures and relevant physico-chemical properties.

What is the Stanozolol?

The molecule Stanozolol presents a molecular formula of C21H32N2O and its IUPAC name is (1S,2S,10S,13R,14S,17S,18S)-2,17,18-trimethyl-6,7-diazapentacyclo[,10.04,8.014,18]icosa-4(8),5-dien-17-ol.

Stanozolol is a synthetic anabolic steroid derived from testosterone. It was first developed in 1962 by Winthrop Laboratories. It is used to promote weight gain, increase strength, and promote the growth of skeletal muscle. It is commonly used by athletes and bodybuilders to improve performance. Stanozolol is a Schedule III controlled substance in the United States..

Stanozolol is an anabolic steroid that has a variety of effects on the human body. It is a synthetic derivative of testosterone, and has both anabolic and androgenic properties. Anabolic steroids are drugs that promote tissue growth and repair, and are often used by athletes to increase muscle mass and strength. Androgenic steroids are drugs that promote the development of male sexual characteristics, such as deepening of the voice and growth of facial and body hair. Stanozolol has both of these effects..

The anabolic effects of stanozolol are responsible for its use in bodybuilding and athletics. When used in these settings, it can help to increase muscle mass, strength, and power. The androgenic effects of stanozolol can also be beneficial for athletes, as they can help to increase aggression and competitiveness. However, these effects can also be undesirable, as they can lead to increased risk-taking behavior and aggression..

The use of stanozolol is not without its risks. Some of the most common side effects of stanozolol include liver damage, high blood pressure, and increased cholesterol levels. These side effects are more likely to occur when stanozolol is used in high doses or for long periods of time. When used responsibly, however, the risks associated with stanozolol use can be minimized..

3D structure

Cartesian coordinates

Geometry of Stanozolol in x, y and z coordinates (Å units) to copy/paste elsewhere. Generated with Open Babel software.

2D drawing


Stanozolol LKAJKIOFIWVMDJ-IYRCEVNGSA-N chemical compound 2D structure molecule svg


Molecule descriptors

IUPAC name(1S,2S,10S,13R,14S,17S,18S)-2,17,18-trimethyl-6,7-diazapentacyclo[,10.04,8.014,18]icosa-4(8),5-dien-17-ol
InChI codeInChI=1S/C21H32N2O/c1-19-11-13-12-22-23-18(13)10-14(19)4-5-15-16(19)6-8-20(2)17(15)7-9-21(20,3)24/h12,14-17,24H,4-11H2,1-3H3,(H,22,23)/t14-,15+,16-,17-,19-,20-,21-/m0/s1

Other names (synonyms)

IUPAC nomenclature provides a standardized method for naming chemical compounds. Although this system is widely used in chemistry, many chemical compounds have also other names commonly used in different contexts. These synonyms can come from a variety of sources and are used for a variety of purposes.

One common source of synonyms for chemical compounds is the common or trivial names, assigned on the basis of appearance, properties, or origin of the molecule.

Another source of synonyms are historical or obsolete names employed in the past, however replaced nowadays by more modern or standardized names.

In addition to common and historical names, chemical compounds may also have synonyms that are specific to a particular field or industry.

  • (1S,2S,10S,13R,14S,17S,18S)-2,17,18-trimethyl-6,7-diazapentacyclo[,10.04,8.014,18]icosa-4(8),5-dien-17-ol
  • (1S,2S,10S,13R,14S,17S,18S)-2,17,18-trimethyl-6,7-diazapentacyclo[^{2,10}.0^{4,8}.0^{14,18}]icosa-4(8),5-dien-17-ol
  • (1S,3aS,3bR,5aS,10aS,10bS,12aS)-1,10a,12a-trimethyl-1,2,3,3a,3b,4,5,5a,6,7,10,10a,10b,11,12,12a-hexadecahydrocyclopenta[5,6]naphtho[1,2-f]indazol-1-ol
  • (1S,3aS,3bR,5aS,10aS,10bS,12aS)-1,10a,12a-trimethyl-1,2,3,3a,3b,4,5,5a,6,8,10,10a,10b,11,12,12a-hexadecahydrocyclopenta[5,6]naphtho[1,2-f]indazol-1-ol
  • (5a,17b)-17-methyl-2'H-Androst-2-eno[3,2-c]pyrazol-17-ol
  • 1'H-ANDROSTANO(3,2-C)PYRAZOL-17-OL, 17-METHYL-, (5.ALPHA.,17.BETA.)-
  • 1'H-Androstano(3,2-c)pyrazol-17-ol, 17-methyl-, (5-alpha,17-beta)-
  • 1,2,3,3a,3b,4,5,5a,6,7,10,10a,10b,11,12,12a-Hexadecahydro-1,10a,12a-trimethylcyclopenta(7,8)-phenanthro(2,3-c)pyrazol-1-ol
  • 1,2,3,3a,3b,4,5,5a,6,7,10,10a,10b,11,12,12a-hexadecahydro-1,10a,12a-trimethyl-Cyclopenta[7,8]phenanthro[2,3-c]pyrazol-1-ol
  • 10418-03-8
  • 17-Methyl-1'H-5alpha-androstano[3,2-c]pyrazol-17beta-ol
  • 17-Methyl-2'H-5.alpha.-androst-2-eno(3,2-c)pyrazol-17.beta.-ol
  • 17-Methyl-2'H-5alpha-androst-2-eno(3,2-c)pyrazol-17beta-ol
  • 17-Methyl-5a-androstano[3,2-c]pyrazol-17b-ol
  • 17-Methyl-5alpha-androstano(3,2-c)pyrazol-17beta-ol
  • 17-Methyl-pyrazolo(4',3':2,3)-5alpha-androstan-17beta-ol
  • 17-Methyl-pyrazolo[4',3':2,3]-5a-androstan-17b-ol
  • 17-Methylpyrazolo(4',3':2,3)-5alpha-androstan-17beta-ol
  • 17-beta-Hydroxy-17-alpha-methylandrostano(3,2-c)pyrazole
  • 17966-55-1
  • 17?-Methyl-5?-androstano[3,2-c]pyrazol-17?-ol
  • 17a-Methyl-17b-hydroxy-5a-androstano(3,2-c)pyrazole
  • 17alpha-Methyl-17beta-hydroxy-5alpha-androst-2-eno(3,2-c)-pyrazole
  • 17alpha-Methyl-17beta-hydroxy-5alpha-androstano(3,2-c)pyrazole
  • 17b-Hydroxy-17-methyl-5a-androstano[3,2-c]pyrazole
  • 17b-Hydroxy-17a-methyl-5a-androstano[3,2-c]pyrazole
  • 17beta-Hydroxy-17-methyl-5alpha-androstano(3,2-c)pyrazole
  • 17beta-Hydroxy-17alpha-methyl-androstano(3,2-c)pyrazole
  • 2'H-5a-Androst-2-eno[3,2-c]pyrazol-17b-ol, 17-methyl- (8CI)
  • 2'H-5alpha-Androst-2-eno(3,2-c)pyrazol-17beta-ol, 17-methyl-
  • 2'H-ANDROST-2-ENO(3,2-C)PYRAZOL-17-OL, 17-METHYL-, (5.ALPHA.,17.BETA.)
  • 2'H-Androst-2-eno(3,2-c)pyrazol-17-ol, 17-methyl-, (5alpha,17beta)-
  • 2,3'-Pyrazolo)-5.alpha.-androstan-17.beta.-ol, 17-methyl-
  • 2,3-(4',3'-Pyrazolo)-5alpha-androstan-17beta-ol, 17-methyl-
  • 302-96-5
  • 418S038
  • 4R1VB9P8V3
  • 5alpha-Androstane-17alpha-methyl-17beta-ol-[3,2-c]pyrazole
  • 875293-72-4
  • AB00443942-03
  • AB00443942-05
  • AC-16140
  • AC-33164
  • AM84316
  • AS-35198
  • Anabol
  • Androstanazol
  • Androstanazole
  • Androstanazolestanazol
  • BCP12548
  • C07311
  • CCG-101186
  • CCG-220452
  • CPD000058878
  • CS-4363
  • Cyclopenta(7,8)phenanthro(2,3-c)pyrazol-1-ol, 1,2,3,3a,3b,4,5,5a,6,7,10,10a,10b,11,12,12a-hexadecahydro-1,10a,12a-trimethyl-
  • Cyclopenta(7,8)phenanthro(2,3-c)pyrazol-1-ol, 1,2,3,3a,3b,4,5,5a,6,8,10,10a,10b,11,12,12a-hexadecahydro-1,10a,12a-trimethyl-
  • Cyclopenta[7,3-c]pyrazol-1-ol, 1,2,3,3a,3b,4,5,5a,6,8,10,10a,10b,11,12,12a-hexadecahydro-1,10a,12a-trimethyl-
  • Cyclopenta[7,8]phenanthro[2,3-c]pyrazole, 2'H-androst-2-eno[3,2-c]pyrazol-17-ol deriv.
  • D00444
  • DB06718
  • DSSTox_CID_24128
  • DSSTox_GSID_44128
  • DSSTox_RID_97564
  • Estanozolol
  • Estazol
  • GTPL10369
  • HMS2052H11
  • HMS2090P03
  • HMS3713K06
  • HSDB 3185
  • HY-B0899
  • MLS001424321
  • NC00436
  • NCGC00344550-01
  • NSC 233046
  • NSC 43193
  • NSC-233046
  • NSC-43193
  • NSC43193
  • Q63409446
  • SMR000058878
  • SR-05000001522
  • SR-05000001522-1
  • SR-05000001522-2
  • Stanazolol
  • Stanozolo
  • Stanozolol
  • Stanozolol (1'H form)
  • Stanozolol (2'H form)
  • Stanozolol (JAN/USP/INN)
  • Stanozolol 1.0 mg/ml in Acetonitrile
  • Stanozolol ciii
  • Stanozololum
  • Stromba
  • Strombaject
  • Tevabolin
  • W-108823
  • WIN 14833
  • WIN-14833
  • WIN14833
  • Winstroid
  • Winstrol
  • Winstrol Depot
  • Winstrol V
  • Winstrol-V
  • Z1541662177
  • stanozolol
  • stanozolol--dea schedule iii

Reference codes for other databases

There exist several different chemical codes commonly used in orded to identify molecules:
  • ZINC4097376
  • CAS-10418-03-8
  • UNII-4R1VB9P8V3
  • AKOS005067278
  • DTXSID3044128
  • CHEMBL2079587
  • CHEBI:9249
  • Tox21_113993
  • EINECS 233-894-8
  • SCHEMBL44099
  • SCHEMBL44100

Physico-Chemical properties

IUPAC name(1S,2S,10S,13R,14S,17S,18S)-2,17,18-trimethyl-6,7-diazapentacyclo[,10.04,8.014,18]icosa-4(8),5-dien-17-ol
Molecular formulaC21H32N2O
Molecular weight328.492
Melting point (ºC)
Boiling point (ºC)
Density (g/cm3)
Molar refractivity97.66
Topological polar surface area48.9

LogP and topological polar surface area (TPSA) values were estimated using Open Babel software.

The n-octanol/water partition coeficient (Kow) data is applied in toxicology and drug research. Kow values are used, to guess the environmental fate of persistent organic pollutants. High partition coefficients values, tend to accumulate in the fatty tissue of organisms. Molecules with a log(Kow) (or LogP) greater than 5 are considered to bioaccumulate.

TPSA values are the sum of the surface area over all polar atoms or molecules, mainly oxygen and nitrogen, also including hydrogen atoms.

In medicinal chemistry, TPSA is used to assess the ability of a drug to permeabilise cells.

For molecules to penetrate the blood-brain barrier (and act on receptors in the central nervous system), TPSA values below 90 Å2 are required. Thus, molecules with a polar surface area greater than 140 Å2 tend to be poorly permeable to cell membranes.