Description

Testosterone Isobutyrate is a synthetic ester derivative of the primary male androgen, testosterone, designed for enhanced pharmacokinetic properties. This modification is crucial for developing long-acting pharmaceutical formulations with improved stability and controlled release profiles. It is primarily required by manufacturers in the pharmaceutical and biotechnology sectors for the research, development, and production of advanced hormone replacement therapies and other endocrine disorder treatments.

Application

• Pharmaceutical Intermediates: Serves as a key synthetic intermediate in the production of long-acting injectable testosterone formulations.
• Hormone Replacement Therapy (HRT): Used in the development of depot injections for treating male hypogonadism and androgen deficiency.
• Research & Development: A critical reference standard and building block in steroid chemistry research for studying androgen receptor interactions and metabolic pathways.
• Veterinary Pharmaceuticals: Employed in the formulation of anabolic agents for therapeutic use in animals.
• Controlled-Release Drug Delivery Systems: Its lipophilic nature makes it suitable for incorporation into microspheres or implants designed for sustained drug release.

Basic Information

Product Name	Testosterone Isobutyrate
CAS No.	1169-49-9
Molecular Formula	C23H34O3
Molecular Weight	358.52 g/mol
Synonyms	Testosterone 17β-Isobutyrate; 17β-Hydroxyandrost-4-en-3-one 17-Isobutyrate; Androst-4-en-3-one, 17-[(2-methyl-1-oxopropoxy)oxy]-, (17β)-; Testosterone Isobutanoate; NSC 17591
EINECS	Contact for details

Quality Control

Our Testosterone Isobutyrate is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including identity confirmation, purity assay, and impurity profiling, to ensure it meets stringent specifications suitable for pharmaceutical development. Certificates of Analysis (COA) detailing all test results are provided with every shipment to guarantee traceability and compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at controlled room temperature (15-25°C). Keep the container tightly sealed in a well-ventilated area.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥98.0%
Related Substances (HPLC)	Total impurities ≤2.0%
Loss on Drying	≤0.5%
Residue on Ignition	≤0.1%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.