S-23 Capsules – EU Research Lab

S-23 Capsules are a high-purity non-steroidal selective androgen receptor modulator (SARM) research chemical, available for sale online at EU Research Lab. For research use only. Not for human or veterinary use. Not for clinical, diagnostic, or consumptive applications.

Product Overview

S-23 Capsules, also known as Mastorin, is a potent SARM exhibiting strong binding affinity for androgen receptors (Ki ≈ 1.7 nM) and delivering powerful tissue-selective anabolic effects. Researchers select S-23 Capsules to investigate muscle hypertrophy, lean body mass gains, bone mineral density improvement, fat reduction, and its unique potential as a reversible hormonal male contraceptive in preclinical models.

Chemical Identity & Classification

S-23 Capsules are classified as a non-steroidal selective androgen receptor modulator (SARM). The chemical structure of S-23 is characterized by its aryl-propionamide moiety, which enables its high binding affinity for androgen receptors.

Chemical & Physical Characteristics

• Chemical Formula: C18H14F3N3O3
• Molecular Weight: 371.32 g/mol

Purity & Analytical Verification

S-23 Capsules are verified to be ≥98% pure by HPLC analysis. The purity of S-23 is crucial for reliable research results, and EU Research Lab ensures that every batch meets the highest standards of quality.

Quality Control & Batch Integrity

EU Research Lab maintains rigorous quality control measures to ensure the integrity of every batch of S-23 Capsules. Each batch is carefully inspected and tested to guarantee the highest level of purity and consistency.

Safety, Handling & Laboratory Precautions

When handling S-23 Capsules, researchers should wear protective gloves and work in a well-ventilated area. S-23 Capsules should be stored in a cool, dry place, away from direct sunlight and moisture.

Packaging, Labeling & Storage

S-23 Capsules are supplied in a tamper-evident container, labeled with the product name, CAS number, and batch number. Store S-23 Capsules at room temperature, protected from light and moisture.

Intended Research Use & Market Positioning

S-23 Capsules are intended for research use only, particularly in the fields of muscle wasting prevention, spermatogenesis suppression, and tissue-selective modulation. EU Research Lab provides S-23 Capsules as a premium research chemical for advanced muscle and bone studies.

Ordering, Availability & Fulfillment

S-23 Capsules are available for purchase online at EU Research Lab. Orders are typically fulfilled within 24 hours, and shipping is carried out in a discreet and secure manner.

Legal & Regulatory Disclaimer

For research use only. Not for human or veterinary use. Not for clinical, diagnostic, or consumptive applications. EU Research Lab is not responsible for any misuse of S-23 Capsules.