Description

Testosterone Phenylpropionate is a long-acting ester derivative of the primary male androgen, testosterone. This compound is valued for its ability to provide a sustained release of the active hormone, offering a more stable pharmacokinetic profile compared to shorter esters. It is a critical active pharmaceutical ingredient (API) for the formulation of injectable hormone replacement therapies and other androgen-based treatments. Key industries that utilize this compound include pharmaceutical manufacturing, research and development, and advanced life sciences.

Application

• Primary API in the formulation of long-acting injectable androgen replacement therapies.
• Key intermediate in the synthesis of specialized steroid compounds for clinical research.
• Used in the development of veterinary pharmaceuticals for hormone regulation.
• Essential component in preclinical and pharmacological studies investigating androgen receptor pathways.
• Employed in the manufacturing of combination steroid products for therapeutic use.

Basic Information

Product Name	Testosterone Phenylpropionate
CAS No.	1255-49-8
Molecular Formula	C28H36O3
Molecular Weight	420.59 g/mol
Synonyms	Testosterone 17β-Phenylpropionate; 17β-Hydroxyandrost-4-en-3-one 17-Phenylpropionate; Androst-4-en-3-one, 17-[(1-oxo-3-phenylpropyl)oxy]-, (17β)-; Testosterone 3-Phenylpropionate; NSC 9167; Phenylpropionic Acid Testosterone Ester
EINECS	Contact for details

Quality Control

Our Testosterone Phenylpropionate is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide full traceability and detailed Certificates of Analysis (COA) that confirm compliance with in-house specifications, which are aligned with major pharmacopoeial standards. Our quality assurance protocols are designed to meet the stringent requirements of pharmaceutical API production and advanced research applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). The product is light-sensitive and should be handled and stored accordingly to maintain stability and potency. Keep the container tightly sealed when not in use to protect from moisture.

Specification

Item	Specification
Appearance	White or almost white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Melting Point	Specified range
Specific Rotation	Specified range
Related Substances (HPLC)	Total impurities ≤ 2.0%
Residual Solvents (GC)	Complies with ICH guidelines
Heavy Metals	≤ 20 ppm

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