17-methyltestosterone

Description

17-methyltestosterone · CAS 58-18-4 · C20H30O2. UNII V9EFU16ZIF. Melting Point: 163; Melting Point: 161-166 °C; Melting Point: 323.6-334.4 °F.

Identification

CAS Registry Number	58-18-4
PubChem CID	6010
Molecular formula	C20H30O2
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
UNII (FDA)	V9EFU16ZIF

Computed Descriptors

Molecular Weight	302.5
XLogP3	3.4
Hydrogen Bond Donor Count	1
Hydrogen Bond Acceptor Count	2
Rotatable Bond Count	0
Exact Mass	302.224580195
Monoisotopic Mass	302.224580195
Topological Polar Surface Area	37.3
Heavy Atom Count	22
Formal Charge	0

Physical & Chemical Properties

Melting Point	163
Melting Point	161-166 °C
Melting Point	323.6-334.4 °F
Flash Point	41 °F
Solubility	33.9
Solubility	In water, 34 mg/L at 25 °C
Solubility	1.39e-02 g/L
LogP	3.36
LogP	log Kow = 3.36

Physical description & handling notes

• Solid
• White crystals
• Crystals from hexane
• White or creamy white crystals or crystalline powder
• Odorless
• Soluble in alcohol, methanol, ether and other organic solvents; sparingly soluble in vegetable oil

GHS Hazard Classification

Reported hazard statements	H302, H312, H332 (30%), H350 (66.7%), H351 (30%), H360 (33.3%), H361 (65%)

Documented Uses

• In fish culture, used to produce monosex populations of those species which tend to overpopulate
• Methyltestosterone is an anabolic steroid hormone used to treat men with a testosterone deficiency. It is also used in women to treat breast cancer, breast pain, swelling due to pregnancy, and with the addition of estrogen it can treat symptoms of menopause.
• Pharmaceuticals -> Animal Drugs -> Approved in Taiwan
• Prepared from 17-methyl-delta5,6-androstene-3,17-diol
• From 17-methyl-delta4-androsten-17-ol with CrO3: Miescher, Wettstein, US 2374370; US 2374369 (both to Ciba)
• From androstene-dione 3-enol ethyl ether: Miescher, US 2386331 (1945 to Ciba)

Synonyms

methyltestosterone; 17-Methyltestosterone; 58-18-4; Metandren; Testred; Android; 17alpha-Methyltestosterone; Androsten; Dumogran; Malestrone; Masenone; Mastestona; Steronyl; Synandrets; Synandrotabs; Hormale

Frequently Asked Questions

What are the CAS number and molecular formula of 17-methyltestosterone?

CAS 58-18-4; molecular formula C20H30O2; molecular weight — g/mol.

What other names is 17-methyltestosterone known by?

methyltestosterone, 17-Methyltestosterone, 58-18-4, Metandren, Testred, Android.

Is 17-methyltestosterone classified as hazardous?

Hazard statements reported: H302, H312, H332, H350, H351.

What are the key physical properties of 17-methyltestosterone?

Melting Point: 163; Melting Point: 161-166 °C; Melting Point: 323.6-334.4 °F; Flash Point: 41 °F.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.