Description

(17α,20S)-5α-Cholestane-3,6-Dione CAS NO 41083-78-7 is a high-purity steroid derivative and a key intermediate in organic synthesis. This compound is valued for its defined stereochemistry and functional groups, making it a critical building block for advanced research and development. It is primarily utilized by pharmaceutical R&D laboratories, academic research institutions, and fine chemical manufacturers working on steroid-based molecules, hormone analogs, and novel therapeutic agents.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of complex steroid-based active pharmaceutical ingredients (APIs) and novel drug candidates.
• Biochemical Research: Used as a reference standard or a starting material in metabolic pathway studies, enzyme inhibition assays, and steroid hormone research.
• Organic Synthesis: Serves as a versatile chiral building block for constructing more complex molecules with specific stereocenters at the 17 and 20 positions.
• Reference Standard: Employed in analytical laboratories for method development, calibration, and quality control of related steroid compounds via HPLC, GC, or LC-MS.
• Academic & Discovery Chemistry: Utilized in universities and R&D centers for exploring new chemical reactions and developing synthetic methodologies for steroidal frameworks.

Basic Information

Product Name	(17α,20S)-5α-Cholestane-3,6-Dione
CAS No.	41083-78-7
Molecular Formula	C₂₇H₄₄O₂
Molecular Weight	400.64 g/mol
Synonyms	(17α,20S)-5α-Cholestane-3,6-dione; 5α-Cholestane-3,6-dione, (17α,20S)-; 3,6-Diketo-5α-cholestane; 5α-Cholestane-3,6-dione; Cholestane-3,6-dione derivative; Steroid dione intermediate
EINECS	Contact for details

Quality Control

Our (17α,20S)-5α-Cholestane-3,6-Dione is manufactured under strict quality management systems. Each batch is subjected to rigorous analytical testing, including HPLC for purity and identity confirmation (IR, NMR), to ensure it meets the high standards required for research and synthesis. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). The product should be kept under inert conditions if long-term storage is required.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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