Tibolone

Chemical Information
Tibolone is estran-3-one with a double bond between positions 5 and 10, and bearing both an ethynyl group and a hydroxy group at position 17 (R-configuration). A synthetic steroid hormone drug which acts as an agonist at all five type I steroid hormone receptors, it is used in the prevention of postmenopausal osteoporosis and for treatment of endometriosis. It has a role as a bone density conservation agent and a hormone agonist. It is a 17beta-hydroxy steroid and a terminal acetylenic compound.
| CAS Number | 5630-53-5 |
| PubChem CID | 444008 |
| IUPAC Name | (7R,8R,9S,13S,14S,17R)-17-ethynyl-17-hydroxy-7,13-dimethyl-1,2,4,6,7,8,9,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-3-one |
| Molecular Formula | C21H28O2 |
| Molecular Weight | 312.4 |
| XLogP | 2.4 |
| Topological Polar Surface Area | 37.3 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 1 |
| Heavy Atom Count | 23 |
| Formal Charge | 0 |
| Complexity | 635 |
| Property | Value |
|---|---|
| Molecular Weight | 312.4 |
| XLogP3 | 2.4 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 1 |
| Exact Mass | 312.208930132 |
| Monoisotopic Mass | 312.208930132 |
| Topological Polar Surface Area | 37.3 Ų |
| Heavy Atom Count | 23 |
| Formal Charge | 0 |
| Complexity | 635 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 6 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| Covalently-Bonded Unit Count | 1 |
| Compound Is Canonicalized | Yes |
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