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HomeProduct name listMesterolone

Mesterolone

Synonym(s):1α-Methylandrostan-17β-ol-3-one

  • CAS NO.:1424-00-6
  • Empirical Formula: C20H32O2
  • Molecular Weight: 304.47
  • MDL number: MFCD00133082
  • EINECS: 215-836-3
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-11-12 15:22:20
Mesterolone Structural

What is Mesterolone?

Description

Mesterolone (Item No. 21171) is an analytical reference standard categorized as an anabolic androgenic steroid. Formulations containing mesterolone have been used in patients with low testosterone or symptoms of aging male syndrome. Mesterolone cannot be aromatized to estrogens, unlike other androgens. This compound is the active ingredient in different pharmaceutical preparations that have been used medically but have also been widely applied in sports in order to improve athlete performance. Mesterolone is regulated as a Schedule III drug in the United States. This product is intended for research and forensic applications.

Chemical properties

White or yellowish crystalline powder.

Originator

Proviron,Schering,W. Germany,1967

The Uses of Mesterolone

Mesterolone is a synthetic androgen and a dihydrotestosterone derivative. Mesterolone is rarely used for replacement therapies due to its weak androgenic activity.

Definition

ChEBI: Mesterolone is a 3-oxo-5alpha-steroid. It is a structurally altered DHT hormone possessing the addition of a methyl group at the carbon one position. This allows the hormone to survive oral ingestion by protecting it from hepatic breakdown. This is one of the only oral anabolic steroids that is not C17-alpha alkylated (C17-aa) but instead carries the added methyl group.

What are the applications of Application

Mesterolone is a pharmacological agent that belongs to the group of androgens. It is an oral preparation and has been used in the treatment of infectious diseases, autoimmune diseases, and metabolic disorders. It has also been used as a matrix effect control in biological samples. The biological effects of it are mediated by its direct action on cells or through conversion to testosterone or dihydrotestosterone (DHT). These effects include increasing protein synthesis, promoting bone formation, lowering cholesterol levels, stimulating the production of red blood cells, and decreasing fat deposition.

Manufacturing Process

500 mg of 1α-methyl-androstan-17β-ol-3-one-17-acetate are heated under reflux for 90 minutes in a nitrogen atmosphere in 5 ml of 4% methanolic sodium hydroxide solution. The reaction mixture is then stirred into ice water,the precipitated product filtered with suction and recrystallized from isopropyl ether. 1α-Methyl-androstan-17β-ol-3-one melts at 203.5° to 205°C.

Therapeutic Function

Androgen

General Description

Mesterolone is a synthetic anabolic-androgenic steroid (AAS) and derivative of dihydrotestosterone (DHT). It is inactivated by 3α-hydroxysteroid dehydrogenase in skeleta muscules so it is considered a weak androgen. It is not a substrate for aromatase so it is not converted into estrogen. Mesterolone demonstrated to have minimal effect on sperm counts and levels of FSH or LH. Experiments of mesterolone serving as a potential treatment of depression are still undergoing.

Side Effects

The main side effects are acne vulgaris, male pattern baldness, prostate enlargement, increased risk for prostate cancer, and increased risk for developing breast cancer.

Properties of Mesterolone

Melting point: 208 °C
Boiling point: 420.3±45.0 °C(Predicted)
alpha  D20 +17.6° (c = 0.875 in CHCl3)
Density  1.156 g/cm3
refractive index  17.6 ° (C=0.9, CHCl3)
storage temp.  2-8°C
solubility  Practically insoluble in water, sparingly soluble in acetone, in ethyl acetate and in methanol
form  neat
pka 15.09±0.70(Predicted)
Water Solubility  3mg/L at 20℃
Merck  5916
InChI InChI=1/C20H32O2/c1-12-10-14(21)11-13-4-5-15-16-6-7-18(22)19(16,2)9-8-17(15)20(12,13)3/h12-13,15-18,22H,4-11H2,1-3H3/t12-,13-,15-,16-,17-,18-,19-,20-/s3
CAS DataBase Reference 1424-00-6(CAS DataBase Reference)

Safety information for Mesterolone

Signal word Danger
Pictogram(s)
ghs
Health Hazard
GHS08
ghs
Environment
GHS09
GHS Hazard Statements H351:Carcinogenicity
H362:Reproductive toxicity, effects on or via lactation
H411:Hazardous to the aquatic environment, long-term hazard
Precautionary Statement Codes P202:Do not handle until all safety precautions have been read and understood.
P260:Do not breathe dust/fume/gas/mist/vapours/spray.
P263:Avoid contact during pregnancy/while nursing.
P264:Wash hands thoroughly after handling.
P264:Wash skin thouroughly after handling.
P273:Avoid release to the environment.
P308+P313:IF exposed or concerned: Get medical advice/attention.

Computed Descriptors for Mesterolone

InChIKey UXYRZJKIQKRJCF-TZPFWLJSSA-N
SMILES [C@@]12([H])CC[C@@]3([H])CC(=O)C[C@H](C)[C@]3(C)[C@@]1([H])CC[C@]1(C)[C@H](CC[C@@]21[H])O |&1:0,4,10,12,14,18,20,23,r|

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