Description

(3S,8S,9S,10R,13R,14S,17R)-10,13-Dimethyl-17-[(Z,2R)-5-Propan-2-Ylhept-5-En-2-Yl]-2,3,4,7,8,9,11,12,14,15,16,17-Dodecahydro-1H-Cyclopenta[A]Phenanthren-3-Ol CAS NO 481-14-1 is a high-purity sterol derivative, specifically a hydroxylated form of a saturated tetracyclic hydrocarbon. This compound serves as a critical advanced intermediate in the synthesis of complex bioactive molecules, including certain steroids and vitamin D analogs. It is essential for research and development laboratories in the pharmaceutical, agrochemical, and fine chemical sectors requiring precise stereochemistry for their synthetic pathways.

Application

• Pharmaceutical Intermediate: Key chiral building block for the synthesis of novel steroid-based therapeutics and hormone analogs.
• Research Chemical: Used in academic and industrial R&D for studying sterol metabolism, receptor binding, and structure-activity relationships (SAR).
• Fine Chemical Synthesis: Serves as a precursor in the multi-step synthesis of complex natural products and specialty chemicals.
• Biochemical Standard: Potential use as a reference standard in analytical methods like HPLC and GC-MS for quality control in related compound manufacturing.
• Agrochemical Development: Intermediate in the research and production of plant growth regulators or pesticides with sterol-based modes of action.

Basic Information

Item	Details
Product Name	(3S,8S,9S,10R,13R,14S,17R)-10,13-Dimethyl-17-[(Z,2R)-5-Propan-2-Ylhept-5-En-2-Yl]-2,3,4,7,8,9,11,12,14,15,16,17-Dodecahydro-1H-Cyclopenta[A]Phenanthren-3-Ol
CAS No.	481-14-1
Molecular Formula	C30H50O
Molecular Weight	426.72 g/mol
Synonyms	24-Ethylcholest-5-en-3β-ol (common name); β-Sitosterol (primary synonym); Stigmast-5-en-3β-ol; 22,23-Dihydrostigmasterol; Cinchol; Cupreol; α-Dihydrofucosterol; 24α-Ethylcholest-5-en-3β-ol; NSC 25999
EINECS	207-557-5

Quality Control

Our β-Sitosterol is produced under strict quality management systems. Each batch is subjected to comprehensive analytical testing, including HPLC for purity and chiral analysis to confirm stereochemical integrity, ensuring it meets the stringent requirements for advanced synthetic applications. A detailed Certificate of Analysis (COA) providing full specifications and test results is available upon request.

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 heat, sparks, and open flame. For long-term storage, consider an inert atmosphere to prevent potential oxidation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	136 - 140 °C
Specific Rotation	-25° to -35° (c=2, CHCl3)
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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