Product
Product
Testosterone Decanoate (CAS 5721-91-5), also known as Testosterone Caprinate or 17β-Decanoyloxy-androst-4-en-3-one, is a long-acting ester of testosterone. It is a white or off-white crystalline powder with high lipophilicity and stable pharmacological activity. As a key androgen and anabolic steroid, it features slow release, long half-life and stable blood concentration. Widely used in pharmaceutical raw materials, hormone replacement therapy and scientific research. Produced via strict esterification, purification and drying processes, it meets pharmaceutical grade standards with 99%+ purity, low impurities and reliable quality. For legitimate pharmaceutical synthesis, scientific research and medical use only.
Product Features
Physical & Chemical Properties
Physical Properties
Chemical Properties
Applications
Usage Restriction: For pharmaceutical synthesis, medical use and scientific research only. Strictly forbidden for illegal use, abuse or non-medical purposes. Storage & Transportation Instructions
Storage Conditions
Store in a cool, dry, dark and well-ventilated warehouse. Keep containers tightly sealed. Store at 2–8 °C (refrigerated) for long-term storage; avoid freezing. Protect from strong light, heat sources and moisture. Store separately from oxidants, reducing agents and toxic substances. Reseal immediately after opening. Transportation Requirements
Classified as non-hazardous goods. Use light-proof, moisture-proof sealed packaging (aluminum foil bags, fiber drums). Avoid violent collision, extrusion, strong light and rain. Do not transport with food, feed or toxic substances. Follow IATA/IMDG provisions for international shipping. Operation Notes
Wear dust mask, chemical-resistant gloves and safety goggles. Operate in a fume hood. Avoid inhalation, skin/eye contact. Rinse with plenty of water for 15 minutes if contact occurs. No eating, drinking or smoking in work area. Regulatory Information
Full Product Parameter Table
Item Specification & Details Product Name Testosterone Decanoate CAS NO. 5721-91-5 IUPAC Name (17β)-17-[(1-Oxodecyl)oxy]androst-4-en-3-one Synonyms Testosterone Caprinate; 17β-Decanoyloxy-androst-4-en-3-one Molecular Formula C??H??O? Molecular Weight 442.67 EINECS Number 227-226-4 UN Number Non-hazardous goods Hazard Class GHS07, GHS08 (H302+H312+H332, H351) Appearance White or off-white crystalline powder Purity ≥99.0% (HPLC) Water Content ≤0.5% Melting Point 34–38 °C Boiling Point 539.2±50.0 °C (Predicted) Density 1.04±0.1 g/cm3 (20 °C) Solubility Insoluble in water; soluble in organic solvents and fatty oils Storage Temperature 2–8 °C, sealed, light-proof, dry Packing Specification 100g/aluminum foil bag, 1kg/fiber drum, 25kg/drum Grade Pharmaceutical Grade / Research Grade Application Pharmaceutical raw material, TRT, scientific research Validity Period 24 Months under specified storage 
