Description

Sitosterol is a naturally occurring phytosterol, a plant-derived compound structurally similar to cholesterol. It is valued for its ability to help manage cholesterol levels and support cardiovascular health, making it a key functional ingredient in the nutraceutical and pharmaceutical industries. This high-purity compound is essential for manufacturers of dietary supplements, functional foods, and advanced pharmaceutical formulations seeking to enhance product efficacy with a well-researched bioactive ingredient.

Application

• Dietary Supplements: A primary active ingredient in cholesterol-lowering and cardiovascular support supplements, often combined with other sterols and stanols.
• Functional Foods & Beverages: Incorporated into sterol-fortified products like margarines, yogurts, and health drinks for their clinically proven cholesterol management benefits.
• Pharmaceutical Intermediates: Serves as a critical starting material or intermediate in the synthesis of steroid-based drugs and hormone preparations.
• Cosmetic & Personal Care: Used in skincare formulations for its anti-inflammatory and skin-barrier strengthening properties.
• Research & Development: Employed as a standard or reagent in biochemical, nutritional, and pharmacological research studies.

Basic Information

Product Name	Sitosterol
CAS No.	145428-11-1
Molecular Formula	C29H50O
Molecular Weight	414.71 g/mol
Synonyms	β-Sitosterol; 24-Ethylcholest-5-en-3β-ol; Stigmast-5-en-3β-ol; Cinchol; Cupreol; Quebrachol; α-Dihydrofucosterol; (3β)-Stigmast-5-en-3-ol
EINECS	Contact for details

Quality Control

Our Sitosterol is produced under strict quality management systems to ensure batch-to-batch consistency and high purity. It is manufactured to meet relevant standards for nutraceutical and pharmaceutical applications. Comprehensive testing, including identity, assay, and impurity profile analysis, is performed. A Certificate of Analysis (COA) documenting all specifications is provided with each shipment.

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 heat and incompatible materials.

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
Residual Solvents	Complies with ICH guidelines

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