Description
S4 (Andarine / Selective Androgen Receptor Modulator – SARM)
Form: Tablet
Concentration: 25 mg per tablet
Quantity per Bottle: 60 tablets
Molecular Formula: C₁₉H₁₈F₃N₃O₆
Molecular Weight: 441.36 g/mol
CAS Number: 401900-40-1
Purity: ≥98% (HPLC)
Storage: Store in a cool, dry place away from light and moisture.
Description
S4, also known as Andarine, is a non-steroidal selective androgen receptor modulator (SARM) developed to selectively target androgen receptors (ARs) in skeletal muscle and bone tissue.
It is widely studied for its anabolic and anti-resorptive effects, offering strong tissue selectivity with reduced androgenic stimulation in reproductive organs.
Preclinical studies demonstrate that S4 promotes lean muscle growth, bone density enhancement, and fat reduction via AR-mediated gene transcription pathways.
It has also been used to study androgen receptor partial agonism, anabolic signaling, and selective tissue receptor affinity as a model for next-generation anabolic compounds.
Because of its predictable pharmacokinetics and strong oral bioavailability, Andarine is frequently used in comparative SARM research to explore anabolic-to-androgenic ratios and receptor-binding efficiency.
Intended Use
This product is intended for laboratory research use only.
It is not for human consumption, diagnostic, or therapeutic applications.
All handling should be performed by qualified professionals in a controlled research environment.
Key Research Applications
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Investigation of selective androgen receptor activation and partial agonism
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Studies on muscle hypertrophy, bone strength, and anabolic-to-androgenic selectivity
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Research on receptor-binding kinetics and dose-dependent tissue targeting
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Analysis of oral SARM metabolism and bioavailability in experimental models
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