Determine the necessary mass, volume, or concentration for preparing a solution.
≥97%(HPLC) for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Store at -20°C Ships Ice chest + Ice pads 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 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
Nestoron (ST-1435) is a 19-norprogesterone derivative with high affinity and selectivity for progesterone receptors. Nestoron is a highly selective and potent progestogen .
Nestoron (Elcometrine; Nestorone; ST-1435) is a synthetic progestin.
| ALogP | 2.9 |
|---|
| Canonical Smiles | CC(=O)C1(C(=C)CC2C1(CCC3C2CCC4=CC(=O)CCC34)C)OC(=O)C |
|---|---|
| IUPAC Name | [(8R,9S,10R,13S,14S,17R)-17-acetyl-13-methyl-16-methylidene-3-oxo-2,6,7,8,9,10,11,12,14,15-decahydro-1H-cyclopenta[a]phenanthren-17-yl] acetate |
| InChIKey | CKFBRGLGTWAVLG-GOMYTPFNSA-N |
| INCHI | 1S/C23H30O4/c1-13-11-21-20-7-5-16-12-17(26)6-8-18(16)19(20)9-10-22(21,4)23(13,14(2)24)27-15(3)25/h12,18-21H,1,5-11H2,2-4H3/t18-,19+,20+,21-,22-,23-/m0/s1 |
| Isomeric SMILES | CC(=O)[C@]1(C(=C)C[C@@H]2[C@@]1(CC[C@H]3[C@H]2CCC4=CC(=O)CC[C@H]34)C)OC(=O)C |
| WGK Germany | 3 |
| PubChem CID | 108059 |
| Molecular Weight | 370.48 |
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 | Pregnane steroids |
| Intermediate Tree Nodes | Not available |
| Direct Parent | Gluco/mineralocorticoids, progestogins and derivatives |
| Alternative Parents | Steroid esters 20-oxosteroids 3-oxo delta-4-steroids Delta-4-steroids Cyclohexenones Alpha-acyloxy ketones Carboxylic acid esters Monocarboxylic acids and derivatives Organic oxides Hydrocarbon derivatives |
| Molecular Framework | Aliphatic homopolycyclic compounds |
| Substituents | Progestogin-skeleton - Steroid ester - 20-oxosteroid - 3-oxo-delta-4-steroid - 3-oxosteroid - Oxosteroid - Delta-4-steroid - Cyclohexenone - Alpha-acyloxy ketone - Carboxylic acid ester - Cyclic ketone - Ketone - Carboxylic acid derivative - Monocarboxylic acid or derivatives - Organic oxide - Hydrocarbon derivative - Organic oxygen compound - Carbonyl group - Organooxygen compound - Aliphatic homopolycyclic compound |
| Description | This compound belongs to the class of organic compounds known as gluco/mineralocorticoids, progestogins and derivatives. These are steroids with a structure based on a hydroxylated prostane moiety. |
| External Descriptors | Not available |
Find and download the COA for your product by matching the lot number on the packaging.
| Lot Number | Certificate Type | Date | Item |
|---|---|---|---|
| Certificate of Analysis | May 09, 2026 | N126972 | |
| Certificate of Analysis | May 09, 2026 | N126972 | |
| Certificate of Analysis | May 09, 2026 | N126972 | |
| Certificate of Analysis | May 09, 2026 | N126972 | |
| Certificate of Analysis | May 09, 2026 | N126972 | |
| Certificate of Analysis | May 09, 2026 | N126972 | |
| Certificate of Analysis | May 09, 2026 | N126972 |
| Solubility | DMSO |
|---|---|
| Sensitivity | Moisture sensitive. |
| Molecular Weight | 370.500 g/mol |
| XLogP3 | 2.900 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 3 |
| Exact Mass | 370.214 Da |
| Monoisotopic Mass | 370.214 Da |
| Topological Polar Surface Area | 60.400 Ų |
| Heavy Atom Count | 27 |
| Formal Charge | 0 |
| Complexity | 762.000 |
| 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 |