Determine the necessary mass, volume, or concentration for preparing a solution.
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10mM in DMSO for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Store at -80°C Ships Dry ice packs + Cold packs Check lot-specific COA for exact specifications.
SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.
Cited in 1 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
Ethisterone is a progestogen hormone being considered to treat prostate cancer.
A progestogen compound.
| Canonical Smiles | CC12CCC(=O)C=C1CCC3C2CCC4(C3CCC4(C#C)O)C |
|---|---|
| IUPAC Name | (8R,9S,10R,13S,14S,17R)-17-ethynyl-17-hydroxy-10,13-dimethyl-2,6,7,8,9,11,12,14,15,16-decahydro-1H-cyclopenta[a]phenanthren-3-one |
| InChIKey | CHNXZKVNWQUJIB-CEGNMAFCSA-N |
| INCHI | 1S/C21H28O2/c1-4-21(23)12-9-18-16-6-5-14-13-15(22)7-10-19(14,2)17(16)8-11-20(18,21)3/h1,13,16-18,23H,5-12H2,2-3H3/t16-,17+,18+,19+,20+,21+/m1/s1 |
| Isomeric SMILES | C[C@]12CCC(=O)C=C1CC[C@@H]3[C@@H]2CC[C@]4([C@H]3CC[C@]4(C#C)O)C |
| WGK Germany | 3 |
| RTECS | TU5570250 |
| Molecular Weight | 312.45 |
| Beilstein | 1889895 |
| Reaxy-Rn | 2509847 |
| Reaxys-RN_link_address | https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=2509847&ln= |
Comprehensive hazard, handling, storage, and regulatory compliance document.
Download SDS →Lot-specific quality data. Enter your lot number to retrieve the exact COA.
Look up COA →Full quality attributes and acceptance criteria for this grade.
View spec sheet →Taxonomy Tree
| Kingdom | Organic compounds |
|---|---|
| Superclass | Lipids and lipid-like molecules |
| Class | Steroids and steroid derivatives |
| Subclass | Androstane steroids |
| Intermediate Tree Nodes | Not available |
| Direct Parent | Androgens and derivatives |
| Alternative Parents | 3-oxo delta-4-steroids 17-hydroxysteroids Delta-4-steroids Cyclohexenones Ynones Tertiary alcohols Cyclic alcohols and derivatives Acetylides Organic oxides Hydrocarbon derivatives |
| Molecular Framework | Aliphatic homopolycyclic compounds |
| Substituents | Androgen-skeleton - 3-oxo-delta-4-steroid - 3-oxosteroid - 17-hydroxysteroid - Oxosteroid - Hydroxysteroid - Delta-4-steroid - Cyclohexenone - Ynone - Tertiary alcohol - Cyclic alcohol - Cyclic ketone - Ketone - Acetylide - Organic oxygen compound - Organooxygen compound - Carbonyl group - Hydrocarbon derivative - Alcohol - Organic oxide - Aliphatic homopolycyclic compound |
| Description | This compound belongs to the class of organic compounds known as androgens and derivatives. These are 3-hydroxylated C19 steroid hormones. They are known to favor the development of masculine characteristics. They also show profound effects on scalp and body hair in humans. |
| External Descriptors | Pregnane and derivatives [Fig] |
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| Melt Point(°C) | 263-269°C |
|---|---|
| Molecular Weight | 312.400 g/mol |
| XLogP3 | 3.500 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 1 |
| Exact Mass | 312.209 Da |
| Monoisotopic Mass | 312.209 Da |
| Topological Polar Surface Area | 37.300 Ų |
| Heavy Atom Count | 23 |
| Formal Charge | 0 |
| Complexity | 637.000 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 6 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| The total count of all stereochemical bonds | 0 |
| Covalently-Bonded Unit Count | 1 |
| 1. Xiu-Xiu Dong, Li-Peng Yuan, Yi-Xin Liu, Min-Fu Wu, Bo Liu, Yuan-Ming Sun, Yu-Dong Shen, Zhen-Lin Xu. (2017) Development of a progesterone immunosensor based on thionine-graphene oxide composites platforms: Improvement by biotin-streptavidin-amplified system. TALANTA, [PMID:28501203] [10.1016/j.talanta.2017.04.054] |