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Home> Encyclopedia >Pharmaceutical Intermediates>Hormones and synthetic substitutes>Pharmaceutical
4-Chlorodehydromethyltestosterone structure
4-Chlorodehydromethyltestosterone structure


Iupac Name:(8R,9S,10R,13S,14S,17S)-4-chloro-17-hydroxy-10,13,17-trimethyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthren-3-one
CAS No.: 2446-23-3
Molecular Weight:334.88
Modify Date.: 2022-12-06 15:51
1. Names and Identifiers
1.1 Name
1.2 Synonyms

(8R,9S,10R,13S,14S,17S)-4-chloro-17-hydroxy-10,13,17-trimethyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthren-3-one 4-ChlordehydroMethyl Testosterone 4-Chloro-17a-methyl-17b-hydroxy-1,4-androstadiene-3-one 4-ChlorodehydroMethyltestosterone (oral turinabol) Oral turinabol Turinabol 4-Chlordehydromethyl-Testosterone turinabol-oral

1.3 CAS No.
1.5 Molecular Formula
C20H27ClO2 (isomer)
1.6 Inchi
1.7 InChkey
1.8 Canonical Smiles
1.9 Isomers Smiles
2. Properties
2.1 Density
1.20±0.1 g/cm3(Predicted)
2.1 Melting point
149-151 °C(Solv: acetone (67-64-1); hexane (110-54-3))
2.1 Boiling point
464.4±45.0 °C(Predicted)
2.1 pKa
4. Synthesis Route
5. Other Information
5.0 Description
4-Chlorodehydromethyltestosterone (CDMT; brand name Oral Turinabol), also known as Chlorodehydromethyltestosterone, is an anabolic–androgenic steroid (AAS). It is the 4-chloro-substituted derivative of metandienone (dehydromethyltestosterone). Turinabol is indicated for hormone replacement therapy in men suffering from androgen deficiency or in severe cases of catabolism.
5.1 Chemical Properties
Off-white Solid
5.2 History
4-Chlorodehydromethyltestosterone is an anabolic steroid developed in the 1960s, a highly competitive time for the Olympics and national level sports, the East German experts were looking for effective steroids that would circumvent these sports'drug testing policies. The product was introduced for clinical use in 1965 and remained in use until 1994, when production was discontinued.
5.3 Uses
4-Chlorodehydromethyltestosterone is a derivative of dehydrochloromethyltestosterone. Metabolite of anabolic steroids. it can produce quality gains in muscle mass as well as strength, even if these gains are not as dramatic or quick as you might get from an aromatizable, or more androgenic oral steroid.
5.4 Definition
ChEBI: 4-Chloromethandienone is a 3-hydroxy steroid. It has a role as an androgen.
5.5 General Description
Dehydrochloromethyl Testosterone is an analytical reference standard that is categorized as an androgenic anabolic steroid. Anabolic steroids, including dehydrochloromethyl testosterone, have been used to enhance physical performance in athletes. Dehydrochloromethyl testosterone is regulated as a Schedule III compound in the United States. This product is intended for research and forensic applications.
5.6 Safety Profile
4-chlorodehydromethyltestosterone (known as oral turinabol) is a potent and unique anabolic steroid that was synthesized in 1962 in East Germany. Steroid has a very high safety rating for many decades, both among men, women and even children. Increases body weight without side effects (Hinkel, 1966; Petzold et al., 1969).
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