Description

(3R,5S,7R,8R,9S,10S,12S,13R,14S)-17-[(2R)-6-hydroxy-6-methylheptan-2-yl]-10,13-dimethyl-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene-3,7,12-triol is a high-purity, multi-hydroxylated sterol derivative of significant interest in advanced chemical synthesis and pharmaceutical research. Its complex stereochemistry and functional groups make it a valuable chiral building block and intermediate for developing novel bioactive compounds. This product is essential for R&D and production teams in the pharmaceutical, fine chemical, and life science sectors seeking high-quality, structurally defined intermediates.

Application

• Pharmaceutical Intermediate: Serves as a critical chiral precursor in the synthesis of novel steroid-based therapeutics and active pharmaceutical ingredients (APIs).
• Biochemical Research: Used as a reference standard or substrate in enzymatic studies, metabolic pathway research, and receptor binding assays.
• Fine Chemical Synthesis: Acts as a versatile building block for constructing complex natural product analogs and specialty chemicals with specific stereochemical configurations.
• Material Science: Potential use in the development of advanced functional materials, such as liquid crystals or chiral stationary phases for chromatography.
• Cosmetic & Nutraceutical R&D: Investigated for applications in high-end skincare formulations and dietary supplement research due to its sterol backbone.

Basic Information

Product Name	(3R,5S,7R,8R,9S,10S,12S,13R,14S)-17-[(2R)-6-hydroxy-6-methylheptan-2-yl]-10,13-dimethyl-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene-3,7,12-triol
CAS No.	18866-87-0
Molecular Formula	C27H46O4
Molecular Weight	434.66 g/mol
Synonyms	3β,7α,12α-Trihydroxy-5β-cholestan-26-oic Acid Lactone (partial structure); 5β-Cholestane-3β,7α,12α-triol, 26-carboxylic acid, γ-lactone; Sterol Triol Derivative; Cholestane Triol Lactone; (25R)-3β,7α,12α-Trihydroxy-5β-cholestan-26-oic Acid δ-Lactone; Hydroxylated Cholestane Lactone; CAS 18866-87-0
EINECS	Contact for details

Quality Control

Every batch of this sterol derivative is produced and tested under a strict quality management system. We ensure compliance with relevant industry standards for high-purity intermediates. Comprehensive testing, including HPLC for purity and chiral analysis to confirm stereochemical integrity, is performed. A detailed Certificate of Analysis (COA) is provided with each shipment, guaranteeing traceability and consistent quality for your critical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This product is light-sensitive and easily oxidized; for long-term storage, consider keeping under an inert atmosphere (e.g., nitrogen or argon) to maintain stability and purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Chiral Purity (Chiral HPLC)	≥ 99.0% ee
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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