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S-23 (10mg/capsule), 60 Capsules
During our packaging transition, you may receive products with either our previous or updated label. Rest assured, the formulation, purity and quality remain exactly same as standards.
S-23 (Mastorin) is a propanamide-class non-steroidal selective androgen receptor modulator (SARM) with high-affinity androgen receptor (AR) binding characteristics. It functions as an AR agonist and has been extensively investigated in studies of receptor binding dynamics, ligand-receptor interactions, transcriptional regulation, and AR-mediated signaling mechanisms. Among non-steroidal SARMs, S-23 is recognized for its strong receptor affinity and well-characterized interaction profile, making it a valuable research tool for comparative androgen receptor pharmacology. Research applications include AR agonism studies, receptor selectivity investigation, androgen receptor signaling research, structure-activity relationship analysis, and mechanistic evaluation of non-steroidal androgen receptor modulators.
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- Independently Lab Tested
- Research Grade Quality
- For Laboratory Research Use Only
3D Molecular Structure
Drag to rotate · scroll to zoom| Chemical Formula | C18H13ClF4N2O3 |
|---|---|
| Synonyms | Mastorin, (S)-N-(4-cyano-3-trifluoromethylphenyl)-3-(3-fluoro-4-chlorophenoxy)-2-hydroxy-2-methylpropanamide |
| Molar Mass | 416.75 g/mol |
| CAS Number | 1010396-29-8 |
| PubChem CID | 24892822 |
| Total Compound Content | 600 mg (10 mg per capsule) |
| Shelf Life | 36 months |
Every batch is independently lab tested for identity, purity and potency. View our lab testing program →
What distinguishes S-23 from other SARMs in androgen receptor research?
S-23 is characterized by exceptionally high androgen receptor (AR) binding affinity relative to many other non-steroidal SARMs. Its strong receptor interaction profile makes it a valuable research tool for studies examining ligand-receptor binding dynamics, receptor occupancy, transcriptional regulation, and AR-mediated signaling mechanisms. These characteristics have established S-23 as a frequently utilized compound in comparative androgen receptor pharmacology investigations.
How does S-23 compare to other SARMs in receptor binding studies?
Experimental investigations have demonstrated that S-23 possesses a high-affinity interaction profile at the androgen receptor, making it useful for comparative studies involving receptor selectivity, ligand binding characteristics, and structure-activity relationships among non-steroidal androgen receptor modulators. Its well-characterized receptor pharmacology provides a valuable reference point for evaluating differences between SARM scaffolds and AR interaction patterns.
Why is S-23 used in androgen receptor pharmacology research?
S-23 is frequently utilized in studies of androgen receptor signaling due to its strong receptor affinity and well-characterized interaction profile. Research applications include receptor binding investigations, AR-mediated transcriptional regulation studies, ligand-receptor interaction analysis, receptor occupancy experiments, and mechanistic evaluation of non-steroidal androgen receptor modulators. These properties make it a useful tool for examining fundamental aspects of androgen receptor pharmacology and signaling.
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