Description

17Beta-Hydroxyestr-4-En-3-One 17-Valerate is a synthetic steroid ester, specifically the valerate ester of testosterone. This compound is a key pharmaceutical intermediate and active pharmaceutical ingredient (API) in the synthesis of various steroidal medications. It is primarily utilized in the development and production of hormone replacement therapies (HRT) and other endocrine treatments. Global manufacturers and R&D facilities in the pharmaceutical and fine chemical sectors require this high-purity intermediate for consistent and reliable production processes.

Application

• Pharmaceutical Intermediate: A critical building block in the synthesis of testosterone-based hormone replacement therapies (HRT) and other anabolic-androgenic steroids.
• Active Pharmaceutical Ingredient (API): Used in the formulation of long-acting injectable testosterone preparations, leveraging the valerate ester for prolonged release.
• Research & Development: Serves as a reference standard and starting material in biochemical and pharmacological research exploring androgen receptor pathways.
• Veterinary Medicine: Employed in the development of treatments for hormonal imbalances and conditions requiring androgen therapy in animals.
• Fine Chemical Synthesis: Used as a specialized intermediate for creating novel steroid derivatives and analogs in advanced organic synthesis.

Basic Information

Product Name	17Beta-Hydroxyestr-4-En-3-One 17-Valerate
CAS No.	35800-55-6
Molecular Formula	C24H36O3
Molecular Weight	372.55 g/mol
Synonyms	Testosterone 17-Valerate; Testosterone Valerate; Androtest V; NSC 17591; 17β-Hydroxyandrost-4-en-3-one 17-valerate; 4-Androsten-17β-ol-3-one 17-valerate; Testosterone pentanoate
EINECS	Contact for details

Quality Control

Our 17Beta-Hydroxyestr-4-En-3-One 17-Valerate is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity, identity confirmation by IR and NMR spectroscopy, and residual solvent analysis. We provide full traceability and Certificates of Analysis (COA) are available for every shipment, ensuring compliance with cGMP and relevant pharmaceutical guidelines for intermediates.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and must be kept under dry conditions to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Loss on Drying	≤ 0.5%
Residual Solvents (GC)	Complies with ICH Q3C guidelines

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