C20H30O2
302.5 g/mol
APIDanger
Methyltestosterone
CAS58-18-4EC200-366-3
Category
API
Compound Class
Steroid
Primary Use
Pharmaceutical Raw Material
Methyltestosterone is an androgen and anabolic steroid used as an active pharmaceutical ingredient in medications for hormone therapy. It is administered orally or via buccal or sublingual routes.
Treatment of low testosterone levels in menDelayed puberty in boysComponent of menopausal hormone therapy for symptoms such as hot flashes, osteoporosis, and low sexual desire in women
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
Restricted or banned substances
Substances on this list are banned or restricted under the named regulation. This page is a compliance reference — verify your obligations under applicable law.
Relevant lists:California Proposition 65
CAS 58-18-4
Related Compounds
SimilarStructure SimilarSimilarity 0.74
17α-hydroxyprogesterone
CAS68-96-2
pharmaceutical raw material
SimilarStructure SimilarSimilarity 0.72
Ethisterone
CAS434-03-7
pharmaceutical raw material
ReferenceSame Category
Testosterone cypionate
CAS58-20-8
pharmaceutical raw material
ReferenceSame Category
Testosterone
CAS58-22-0
pharmaceutical raw material
ReferenceSame Category
Chlordiazepoxide
CAS58-25-3
pharmaceutical raw material
ReferenceSame Category
Dipyridamole
CAS58-32-2
pharmaceutical raw material
Safety Reference
Danger
H302Harmful if swallowed
H312Harmful in contact with skin
H332Harmful if inhaled
H350May cause cancer
H351Suspected of causing cancer
H360May damage fertility or the unborn child
H361Suspected of damaging fertility or the unborn child
Regulatory Compliance1
- California Proposition 65USRegulation
Customs Tariff Classification
The international HS code for Methyltestosterone (CAS 58-18-4) is 2937.29.
HS code (international, 6-digit)
2937.29
EU CN code (8-digit)
2937 29 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
(8R,9S,10R,13S,14S,17S)-17-hydroxy-10,13,17-trimethyl-2,6,7,8,9,11,12,14,15,16-decahydro-1H-cyclopenta[a]phenanthren-3-one
InChIKey
GCKMFJBGXUYNAG-HLXURNFRSA-N
SMILES
C[C@]12CCC(=O)C=C1CC[C@@H]3[C@@H]2CC[C@]4([C@H]3CC[C@]4(C)O)C
Synonyms (117)
- 17-MT
- U-2842
- Methyltestosterone (JP17/USP/INN)
- Methyltestosterone for system suitability, European Pharmacopoeia (EP)
- Methyltestosterone, European Pharmacopoeia (EP)
- Methyltestosterone, United States Pharmacopeia (USP)
- Methyltestosteronum [INN-Latin]
- Metiltestosterona [INN-Spanish]
- .ALPHA.-METHYLTESTOSTERONE
- 17 Epimethyltestosterone
- 17-Methyltestosteron
- 17-Methyltestosterone
- 17alpha-Methyltestosterone
- 17beta-Methyltestosterone
- 17|A-Methyltestosterone
- Android
- Android (TN)
- Android 10
- Android 25
- Android 5
- Andrometh
- Androsan
- Androsan (VAN)
- Androsan (tablets)
- Androsten
- Anertan (VAN)
- Anertan (tablets)
- Dumogran
- Eldec
- Ero Test
- Estan (Salt/Mix)
- Estratest
- Estratest (Salt/Mix)
- Glosso-sterandryl
- Homandren
- Homandren (VAN)
- Homandren, tablets
- Hormale
- L 589.372
- M.T.Mucorettes
- METHYLTESTOSTERONE [MART.]
- Malestrone
- Malogen
- Masenone
- Mastestona
- Mesterone
- Metandren
- Metestone
- Methitest
- Methyltestosterone CRS
- Methyltestosterone ciii
- Methyltestosterone solution
- Methyltestosteronum
- Metiltestosterona
- Metiltestosterone
- Metrone
- Nabolin
- Neo-Hombreol-M
- Neo-Homobreol (M)
- Nu-man
- Oraviron
- Orchisterone-M
- Oreton Methyl
- Oreton-M
- Oretron
- Plex hormone
- Potensan fte
- Steronyl
- Synandrets
- Synandrotabs
- Syndren
- Testomet
- Testora
- Testosterone, 17-methyl-
- Testotonic B
- Testoviron (VAN)
- Testoviron (tablet)
- Testovis
- Testovis (tablet)
- Testovis Depot
- Testred
- Testred (TN)
- Virilon
- component of Estan
- component of Gynetone
- component of Tylosterone
- methyltestosterone