Testololactone, with the CAS number 4416-57-3, is a synthetic compound classified as a lactone, specifically a steroidal lactone. It is derived from the steroid hormone testosterone and is characterized by its unique cyclic structure, which includes a lactone functional group. Testololactone is known for its potential use in medicinal chemistry, particularly in the context of hormone-related therapies. It exhibits properties that may influence androgenic activity, making it of interest in studies related to anabolic steroids and their effects on muscle growth and metabolism. The compound is typically a white to off-white solid and is soluble in organic solvents. Its stability and reactivity can be influenced by environmental factors such as pH and temperature. As with many steroid derivatives, it is essential to handle Testololactone with care due to its biological activity and potential effects on hormonal balance. Research into its pharmacological properties continues to explore its applications in various therapeutic contexts.

Testololactone

4416-57-3: (4aS,4bR,10aR,10bS,12aS)-3,4,4a,5,6,9,10,10a,10b,11,12,12a-Dodecahydro-10a,12a-dimethyl-2H-phenanthro[2,1-b]pyran-2,8(4bH)-dione, 1,2,3,4,4a,4b,5,6,7,9,10,10a-Dodecahydro-2-hydroxy-2,4b-dimethyl-7-oxo-1-phenanthrenepropionic acid δ-lactone, 13,17-Secoandrost-4-en-17-oic acid, 13-hydroxy-3-oxo-, δ-lactone, 13,17-Secoandrost-4-en-17-oic acid, 13α-hydroxy-3-oxo-, δ-lactone, 17a-Oxa-D-homoandrost-4-en-3,17-dione, 17a-Oxa-D-homoandrost-4-ene-3,17-dione, 2H-Phenanthro[2,1-b]pyran-2,8(4bH)-dione, 3,4,4a,5,6,9,10,10a,10b,11,12,12a-dodecahydro-10a,12a-dimethyl-, [4aS-(4aα,4bβ,10aβ,10bα,12aβ)]-, 2H-phenanthro[2,1-b]pyran-2,8(4bH)-dione, 3,4,4a,5,6,9,10,10a,10b,11,12,12a-dodecahydro-10a,12a-dimethyl-, (4aS,4bR,10aR,10bS,12aS)-, D-Homo-17a-oxaandrost-4-ene-3,17-dione, NSC 12173, Testololactone, (4aS,4bR,10aR,10bS,12aS)-10a,12a-Dimethyl-3,4,4a,5,6,9,10,10a,10b,11,12,12a-dodecahydro-2H-naphtho[2,1-f]chromene-2,8(4bH)-dione

Applications Testololactone, is the derivative of Testolactone (T154800), which is an antineoplastic agent that is a derivative of progesterone and is used to treat advanced stage breast cancer.
References Dunkel, L.: Mol. Cell. Endocrinol., 254, 207 (2006); Eugster, E. A.: Treat. Endocrinol., 3, 141 (2004); Holbeck, S.L. et al.: Mol. Cancer Therap., 9, 1451 (2010);


Testololactone, an aromatase inhibitor, may be utilized in breast carcinoma research [1].

CAS 4416-57-3: Testololactone

Testololactone

Ref: TR-T154805

Testololactone

Ref: TM-T81012