Description

(3S,9R,10R,13S,14R,17R)-10,13-Dimethyl-17-[(2R)-6-Methylhept-5-En-2-Yl]-2,3,4,9,11,12,14,15,16,17-Decahydro-1H-Cyclopenta[A]Phenanthren-3-Ol is a high-purity sterol derivative, a key intermediate in the synthesis of complex bioactive molecules. Its precise stereochemistry and defined structure make it an essential building block for research and development in advanced pharmaceutical and fine chemical applications. This compound is primarily sought by R&D chemists and process development scientists in the pharmaceutical, nutraceutical, and advanced materials sectors.

Application

• Pharmaceutical Intermediate: A critical chiral precursor in the synthesis of steroid-based active pharmaceutical ingredients (APIs) and hormone analogs.
• Biochemical Research: Used as a reference standard and starting material in metabolic pathway studies and receptor binding assays.
• Fine Chemical Synthesis: Serves as a versatile building block for creating complex, high-value specialty chemicals with specific stereochemical configurations.
• Nutraceutical Development: Employed in the research and development of advanced sterol-based dietary supplements and functional ingredients.
• Material Science: Investigated as a precursor for liquid crystals and other advanced organic materials requiring rigid, defined molecular structures.

Basic Information

Item	Details
Product Name	(3S,9R,10R,13S,14R,17R)-10,13-Dimethyl-17-[(2R)-6-Methylhept-5-En-2-Yl]-2,3,4,9,11,12,14,15,16,17-Decahydro-1H-Cyclopenta[A]Phenanthren-3-Ol
CAS No.	1715-86-2
Molecular Formula	C27H44O
Molecular Weight	384.65 g/mol
Synonyms	24-Dehydrocholesterol; Desmosterol; 5,24-Cholestadien-3β-ol; (3β)-Cholesta-5,24-dien-3-ol; 24,25-Didehydrocholesterol; δ5,24-Cholestadien-3β-ol; 3β-Hydroxycholesta-5,24-diene
EINECS	217-014-7

Quality Control

Our Desmosterol is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. We provide detailed Certificates of Analysis (COA) with every shipment, documenting key parameters such as assay, chiral purity, and impurity profiles. Our quality commitment supports applications requiring GMP-grade materials and rigorous regulatory compliance.

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 is light-sensitive and should be handled under appropriate conditions to prevent degradation. For long-term storage, consider inert gas purging.

Specification

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

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