Mestanolone

Mestanolone
Systematic (IUPAC) name

(5α,17β)-17-hydroxy-17-methylandrostan-3-one
Clinical data
AHFS/Drugs.com	International Drug Names
Pregnancy category	US: X (Contraindicated)
Legal status	DEA Schedule III (US)
Routes of administration	Oral
Pharmacokinetic data
Bioavailability	99% oral
Protein binding	yes
Metabolism	Hepatic
Biological half-life	?
Excretion	Renal
Identifiers
CAS Number	521-11-9^N
ATC code	None
PubChem	CID 10633
ChemSpider	10187^Y
UNII	S712YZ168E^Y
KEGG	D01533^Y
ChEMBL	CHEMBL261514^Y
Synonyms	(5S,8R,9S,10S,13S,14S,17S)-17-hydroxy-10,13,17-trimethyl-2,4,5,6,7,8,9,11,12,14,15,16-dodecahydro-1H-cyclopenta[a]phenanthren-3-one
Chemical data
Formula	C₂₀H₃₂O₂
Molar mass	304.467 g/mol
SMILES O=C2C[C@@H]1CC[C@@H]3[C@@H]([C@@]1(C)CC2)CC[C@]4([C@H]3CC[C@@]4(O)C)C
InChI InChI=1S/C20H32O2/c1-18-9-6-14(21)12-13(18)4-5-15-16(18)7-10-19(2)17(15)8-11-20(19,3)22/h13,15-17,22H,4-12H2,1-3H3/t13-,15+,16-,17-,18-,19-,20-/m0/s1^Y Key:WYZDXEKUWRCKOB-YDSAWKJFSA-N^Y
^NY (what is this?) (verify)

Mestanolone is the 17α-methylated version of dihydrotestosterone (DHT).^[1] The systematic name of mestanolone is: 17β-hydroxy-17α-methylandrost-3-one.^[2] It is an orally bioavailable androgenic steroid that is highly androgenic while only slightly anabolic. It is incapable of aromatization and is not an agonist of the progesterone receptor.

Dosage Information

Dosages range from 10 mg to 30 mg a day for males. Women should avoid Mestanolone for it is very androgenic. Long term use, more than 12 weeks should be avoided do to hepatoxicity. Since Mestanolone is unable to convert to estrogen, it is very useful during cutting phases or when one wishes to avoid excess weight gain.

References

↑ CTD (2007). "Chemicals: mestanolone". CTD - Comparative Toxicogenomics Database. Retrieved September 3, 2007.
↑ Biology Online.org (2007). "mestanolone". Biology Online.org. Retrieved September 3, 2007.

Anabolic steroids (A14)

Androstane (carbon 19 present)	Adrenosterone Androisoxazole Bolasterone (Myagen) Bolazine Boldione Boldenone undecylenate (Equipoise) 4-Chlordehydromethyltestosterone (Turinabol) 4-Hydroxytestosterone Calusterone Clostebol Danazol Desoxymethyltestosterone (Madol) DHT Drostanolone (Masteron) Enestebol Epitiostanol Fluoxymesterone (Halotestin) Formebolone Furazabol (Miotolan) Hydroxystenozole Mebolazine Mesabolone Mestanolone Mesterolone (Proviron) Metandienone (methandrostenolone) Methandriol Metenolone Methenolone enanthate (Primobolan) Methasterone (Superdrol) Methyltestosterone Methyldiazirinol Oxandrolone (Anavar) Oxymetholone (Anadrol) Oxymesterone Prostanozol Quinbolone (Anabolicum Vister) Roxibolone Silandrone Stanozolol (Strombafort Winstrol) Stenbolone Testosterone`s (Sustamed Sustanon) 1-Testosterone Thiomesterone

Estrene (carbon 19 absent)	Bolenol Ethyldienolone Ethylestrenol Mibolerone (Cheque Drops) Metribolone (R1881) Nandrolone (Deca Durabolin) Norboletone (Genabol) Norclostebol Norethandrolone Normethandrone (methylestrenolone) Oxabolone cipionate Propetandrol Tetrahydrogestrinone (The Clear) Trenbolone (Fina) Trestolone

Prohormones	1-Androstenediol 1,4-Androstadienedione 4-Androstenediol 4-Androstenedione 19-Norandrostenediol 19-Norandrostenedione DHEA

Androgenics

Receptor
(ligands)

Agonists	4-Chlordehydromethyltestosterone 4-Hydroxytestosterone 5α-Androst-1-ene-3,17-dione 7β-Hydroxyepiandrosterone 11-Ketotestosterone 17-((1-Oxoheptyl)oxy)androstan-3-one 17-((1-Oxopentyl)oxy)androstan-3-one 17-(1-Oxopropoxy)androstan-3-one 17β-Hydroxyandrost-2-ene-2-carbonitrile 19-Norandrostenediol 19-Norandrostenedione 19-Norandrosterone 19-Nordehydrotestosterone Δ¹-Androstenediol Δ¹-Testosterone Δ^1,4-Androstenedione Δ⁴-Androstenediol Δ⁴-Androstenedione Δ^4-Tibolone Δ⁴-Androstenediol Δ⁴-Androstenedione Adrenosterone Androisoxazole Androstanolone Bolandiol Bolasterone Bolazine Boldenone Boldione Bolenol Bolmantalate Calusterone Cl-4AS-1 Clostebol Cloxotestosterone Cortexolone 17α-propionate Danazol Desogestrel Desoxymethyltestosterone DHEA DHEA sulfate Dihydrotestosterone Drostanolone Enestebol Epitiostanol Ethisterone Ethyldienolone Ethylestrenol Fluoxymesterone Formebolone Furazabol Hexabolan Hydroxystenozole Levonorgestrel Mebolazine Medroxyprogesterone acetate Mepitiostane Mesabolone Mestanolone Mesterolone Metandienone/Methandrostenolone Metenolone Metenolone acetate Metenolone enanthate Methandriol Methandriol propionate Methasterone Methylestrenolone Methyltestosterone Metribolone Mibolerone Nandrolone Nandrolone caproate Nandrolone cypionate Nandrolone cyclohexane carboxylate Nandrolone cyclohexylpropionate Nandrolone cyclotate Nandrolone decanoate Nandrolone furylpropionate Nandrolone hexyloxyphenylpropionate Nandrolone hydrogen succinate Nandrolone laurate Nandrolone phenylpropionate Nandrolone propionate Nandrolone undecyclate Norboletone Norclostebol Norethandrolone Norethisterone Norgestrel Oxabolone Oxabolone cypionate Oxandrolone Oxendolone Oxymesterone Oxymetholone Penmesterol Propetandrol Quinbolone Quingestanol acetate Roxibolone Silandrone Stanozolol Stenbolone Stenbolone acetate Testolactone Testosterone Testosterone acetate Testosterone capropate Testosterone cypionate Testosterone decanoate Testosterone enanthate Testosterone isocaproate Testosterone ketolaurate Testosterone nicotinate Testosterone phenylpropionate Testosterone propionate Testosterone undecanoate Tetrahydrogestrinone Thiomesterone Tibolone Tiomesterone Trenboloneca Trenbolone acetate Trestolone

Mixed (SARMs)	AC-262,356 Andarine BMS-564,929 Enobosarm (ostarine) LGD-2226 LGD-3303 LGD-4033 RAD140 S-23 S-40503 TFM-4AS-1

Antagonists	3α-Hydroxytibolone 3β-Hydroxytibolone Abiraterone Abiraterone acetate Apalutamide AZD-3514 Bisphenols (e.g., BADGE, BFDGE, bisphenol A, bisphenol F, bisphenol S) Benorterone Bicalutamide BMS-641,988 BOMT Canrenoic acid Canrenone Chlormadinone acetate Cimetidine Cioteronel Clometerone Cyproterone Cyproterone acetate Delanterone DDT (via metabolite p,p’-DDE) Dieldrin Dienogest Drospirenone Endosulfan Enzalutamide EPI-001 Epitestosterone Fenarimol Flutamide Galeterone Guggulsterone Hydroxyflutamide Inocoterone Ketoconazole Lavender oil Linuron Megestrol acetate Mespirenone Methiocarb Metogest Mifepristone Nilutamide Nomegestrol Nordinone Norgestimate ODM-201 ONC1-13B ORM-15341 Osaterone Oxendolone PF-998425 Potassium canrenoate Prochloraz Procymidone R-2956 Rosterolone RU-58642 RU-58841 Spironolactone Topilutamide (fluridil) Topterone Valproic acid Vinclozolin VT-464 Zanoterone

Enzyme

Modulators	See here instead (modulators of 20,22-desmolase, 17α-hydroxylase/17,20-lyase, 3β-HSD, 17β-HSD, 5α-reductase, and aromatase).

Others

Precursors/prohormones	Cholesterol 22R-Hydroxycholesterol 20α,22R-Dihydroxycholesterol Pregnenolone Pregnenolone sulfate 17-Hydroxypregnenolone Progesterone 17-Hydroxyprogesterone 11-Deoxycortisol (cortodoxone) DHEA DHEA sulfate Δ⁵-Androstenediol Δ⁴-Androstenedione

Indirect	Antigonadotropins (e.g., estrogens, progestogens, prolactin) GnRH agonists (e,g, GnRH, leuprorelin) GnRH antagonists (e.g., cetrorelix) Gonadotropins (e.g., FSH, hCG, LH) Kisspeptin Plasma proteins (ABP, albumin, SHBG)

See also: Estrogenics • Glucocorticoids • Mineralocorticoids • Progestogenics

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