Description

Sitosterol is a naturally occurring phytosterol, a plant-derived sterol structurally similar to cholesterol. It is valued for its ability to modulate cholesterol metabolism and serve as a versatile precursor in the synthesis of steroid hormones and other fine chemicals. This high-purity compound is essential for manufacturers in the pharmaceutical, nutraceutical, and cosmetic industries, where it is used to develop cholesterol-lowering supplements, active pharmaceutical ingredients (APIs), and skin-conditioning agents.

Application

• Pharmaceutical Intermediates: A key starting material for the semi-synthesis of steroid hormones and other therapeutic agents.
• Nutraceutical Formulations: A primary active ingredient in dietary supplements designed to support cardiovascular health by helping to manage LDL cholesterol levels.
• Cosmetic & Personal Care: Used as an emollient and skin-conditioning agent in creams, lotions, and other skincare products for its moisturizing and stabilizing properties.
• Food Fortification: Incorporated into functional foods, such as margarines and dairy products, as a cholesterol-lowering additive.
• Research & Development: Serves as a standard or reagent in biochemical research related to lipid metabolism, membrane biology, and plant sterol analysis.
• Chemical Synthesis: Utilized as a chiral building block in organic synthesis for producing complex molecular structures.

Basic Information

Product Name	Sitosterol
CAS No.	5779-62-4
Molecular Formula	C29H50O
Molecular Weight	414.71 g/mol
Synonyms	β-Sitosterol; 24-Ethylcholest-5-en-3β-ol; Stigmast-5-en-3β-ol; Cinchol; Quebrachol; α-Dihydrofucosterol; (3β)-Stigmast-5-en-3-ol; NSC 16895
EINECS	227-347-8

Quality Control

Our Sitosterol is produced under a stringent quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting standards for pharmaceutical and nutraceutical applications. Certificates of Analysis (COA) documenting all critical parameters are available upon request to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Melting Point	136 - 140 °C
Specific Rotation	-25° to -38° (c=2, in CHCl3)
Heavy Metals	≤ 20 ppm

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