Description

Androst-4-En-3-One is a key steroid intermediate of significant importance in pharmaceutical synthesis. This compound serves as a crucial building block for the production of various steroid hormones and active pharmaceutical ingredients (APIs). It is primarily required by manufacturers in the pharmaceutical, biotechnology, and advanced research sectors for the development of therapeutic agents and reference standards.

Application

• Pharmaceutical Intermediate: A critical precursor in the synthesis of testosterone, anabolic steroids, and other androgen-based therapeutics.
• API Synthesis: Used as a starting material or intermediate in the multi-step synthesis of complex steroid-based Active Pharmaceutical Ingredients (APIs).
• Research & Development: Serves as a reference standard and key reagent in biochemical and pharmacological research, particularly in endocrinology and metabolic studies.
• Hormone Manufacturing: Integral to the production pathways for various endogenous and synthetic steroid hormones.
• Biochemical Studies: Utilized in enzymatic studies and assays to investigate steroid metabolism and receptor interactions.

Basic Information

Product Name	Androst-4-En-3-One
CAS No.	2872-90-4
Molecular Formula	C19H28O
Molecular Weight	272.43 g/mol
Synonyms	Androst-4-en-3-one; 4-Androsten-3-one; δ4-Androsten-3-one; Androst-4-en-3-one (base); 17β-Hydroxyandrost-4-en-3-one (related); Testosterone precursor; Androstenedione (isomer); 3-Oxoandrost-4-ene
EINECS	220-704-5

Quality Control

Our Androst-4-En-3-One is manufactured under strict quality management systems. The product undergoes rigorous analytical testing, including HPLC, GC, and spectroscopic methods, to ensure high purity and consistency. Certificates of Analysis (COA) are provided with each batch, detailing identity, purity, and impurity profiles to support regulatory and research requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and light-sensitive; ensure containers are sealed tightly after each use to minimize exposure to air and humidity.

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%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Related Substances (HPLC)	Total impurities ≤ 2.0% Any single impurity ≤ 1.0%

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