Androstenedione Intermediate of Steroid Hormone Drugs
Product Name: Androstenedione (4-AD)
CAS NO.: 63-05-8
Appearance: White or white crystalline powder
Purity: ≥99.0%
Products Description
Product Name: Androstenedione (4-AD)
CAS NO.: 63-05-8
Structural formula: 
Appearance: White or white crystalline powder
Purity: ≥99.0%
Melting point: ≥169℃
LOD: ≤0.50%
Package: Net 25 kg/Drum
Usage: Intermediate steroid hormone drugs, mainly used in the production of exemestane intermediate products, Pirospirone intermediate, abiraterone intermediate, DHEA intermediate, and finasteride intermediate.
Flow Chart: Mycobacterium Seed Culture / Fermentation Culture/ Extraction (Centrifugation, Dissolution, Crystallization, Filter Pressing, Dry/ Purification (Dissolution, Crystallization, Centrifugation)/ Drying & Packing
Products advantage
High purity
We use a multi-stage dissolution-crystallization-centrifugation separation process to remove impurities and residues in 4-AD effectively, improve product purity to ≥99.0%, reduce side reactions and impurity interference in downstream synthesis.
Batch consistency
The production of Androstenedione uses a fully automated fermentation and purification production line to accurately monitor temperature, pH value, and solubility to ensure stable and consistent product batches.
Multi-purpose intermediates
This product is not only an androstenedione intermediate but also an important synthetic starting point for a variety of steroidal drugs such as exemestane, finasteride, and abiraterone, supporting the development of multiple product lines.
Company Introduction
Shandong Sito Bio-Technology Co., Ltd., located in Dingtao District, Heze City-known as the world's steroid hormone center-is a leading biomedical enterprise specializing in the research and production of steroid hormone intermediates and derivatives. With an annual Androstenedione (4-AD) capacity of 1,000 tons, the company operates five subsidiaries and holds key recognitions, including Shandong High-Tech Enterprise status, ISO 9001:2015 certification, and AA+ credit ratings from major banks. Listed on the Shenzhen Stock Exchange Growth Enterprise Board since 2017, Shandong Sito offers comprehensive product lines across five major steroid raw material series, positioning itself as a top industry leader.
FAQ
Q: What is Androstenedione?
A: Androstenedione, also known as androstenedione (ASD), is an important endogenous steroid hormone belonging to the androgen hormone family. As a key intermediate in the synthesis of sex hormones, it plays an important role in the physiological activities of men and women.
Q: How is Androstenedione produced in the human body, and what factors regulate it?
A: Androstenedione is mainly produced by the human adrenal glands and gonads (ovaries in women or testicles in men). Androstenedione secreted by the adrenal glands is regulated by the hypothalamus-pituitary-adrenal axis (HPA axis), especially by adrenocorticotropic hormone (ACTH). Androstenedione secreted by the gonads (ovaries or testicles) is regulated by the hypothalamus-pituitary-gonadal axis (HPG axis), mainly by gonadotropins.
Q: What are the physiological effects of Androstenedione?
A: Androstenedione has multiple physiological effects on the human body. First, it is a precursor for the synthesis of testosterone and other androgens, which are essential for male reproductive function, muscle growth, and bone health. Secondly, Androstenedione is also involved in regulating female reproductive function and metabolic processes. Although women have lower levels of Androstenedione in their bodies, it still has an important impact on female reproductive health and sex hormone balance. In addition, Androstenedione may also regulate emotions and behavior by affecting the central nervous system.
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