Description

17β-Methyl-5α-Androstan-16-One is a high-purity synthetic steroid intermediate with the CAS registry number 25780-31-8. This compound is valued for its defined chemical structure and consistent quality, which are critical for advanced pharmaceutical research and synthesis. It serves as a key building block for researchers and manufacturers in the pharmaceutical, biotechnology, and fine chemical sectors developing novel therapeutic agents and reference standards.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of more complex steroid-based active pharmaceutical ingredients (APIs).
• Research & Development: Used as a reference standard or starting material in medicinal chemistry and pharmacological studies.
• Fine Chemical Synthesis: Employed in the multi-step synthesis of specialized steroids and hormone analogs.
• Biochemical Research: Acts as a tool compound for studying steroid hormone pathways and receptor interactions.
• Analytical Standard: Serves as a high-purity standard for quality control and analytical method development (e.g., HPLC, GC).

Basic Information

Product Name	17β-Methyl-5α-Androstan-16-One
CAS No.	25780-31-8
Molecular Formula	C₂₀H₃₂O
Molecular Weight	288.47 g/mol
Synonyms	17β-Methyl-5α-androstan-16-one; 5α-Androstan-16-one, 17β-methyl-; 17-Methyl-5α-androstan-16-one; 17β-Methylandrostan-16-one; 16-Androsten-17β-methyl-5α-one; 17β-Methyl-etioallocholan-16-one
EINECS	Contact for details

Quality Control

Our 17β-Methyl-5α-Androstan-16-One is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including identification, purity assay, and impurity profiling via advanced techniques like HPLC and GC, to ensure it meets the stringent requirements for research and synthesis. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); ensure the container is sealed after each use to prevent degradation from atmospheric moisture.

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.