Description

5α-Androstan-7-One Ethylene Acetal is a high-purity steroid intermediate, specifically a protected ketone derivative. This compound is valued for its role as a versatile synthetic building block in the production of complex pharmaceutical and bioactive molecules. It is primarily required by research institutions and manufacturers in the pharmaceutical, biotechnology, and fine chemical sectors for advanced organic synthesis and process development.

Application

• Pharmaceutical Intermediate: A key precursor in the multi-step synthesis of steroidal drugs and hormone analogs.
• Research & Development: Used in medicinal chemistry for the discovery and structural modification of new therapeutic agents.
• Fine Chemical Synthesis: Serves as a specialized building block for creating complex organic molecules with high stereochemical control.
• Biochemical Research: Employed in studies investigating steroid metabolism, receptor binding, and enzyme inhibition.
• Process Chemistry: Utilized in the development and scale-up of optimized synthetic routes for active pharmaceutical ingredients (APIs).

Basic Information

Product Name	5α-Androstan-7-One Ethylene Acetal
CAS No.	1434-36-2
Molecular Formula	C₂₁H₃₄O₂
Molecular Weight	318.50 g/mol
Synonyms	5α-Androstan-7-one, ethylene ketal; 7,7-Ethylenedioxy-5α-androstane; 5α-Androstane-7,7-ethylenedioxy; Androstan-7-one ethylene acetal; 7-Keto-5α-androstane ethylene ketal; 5α-Androstan-7-one cyclic ethylene acetal; 7,7-(Ethylenedioxy)-5α-androstane
EINECS	Contact for details

Quality Control

Our 5α-Androstan-7-One Ethylene Acetal is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting all critical parameters are provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 2.0%

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