Description

B-Sitosterone CAS NO 51529-11-4 is a high-purity phytosterol derivative, specifically a plant-derived steroid, known for its role as a key intermediate in the synthesis of various bioactive compounds. This compound is valued for its structural specificity and consistent quality, which are critical for ensuring the efficacy and reproducibility of downstream products. It is primarily required by manufacturers in the pharmaceutical, nutraceutical, and advanced research sectors for applications in steroid synthesis and metabolic studies.

Application

• Pharmaceutical Intermediate: A crucial starting material or intermediate in the synthesis of steroid-based active pharmaceutical ingredients (APIs).
• Nutraceutical Research: Used in the development and study of plant sterol supplements aimed at supporting cardiovascular health.
• Biochemical Standard: Serves as a certified reference standard in analytical laboratories for quality control and method validation.
• Academic & Industrial R&D: Employed in metabolic pathway research and the study of steroid hormone biosynthesis.
• Cosmetic Ingredient Synthesis: Utilized as a precursor in creating specialized bioactive ingredients for advanced skincare formulations.

Basic Information

Product Name	B-Sitosterone
CAS No.	51529-11-4
Molecular Formula	C29H48O
Molecular Weight	412.70 g/mol
Synonyms	β-Sitosterone; 24-Ethylcholest-4-en-3-one; Stigmast-4-en-3-one; (24R)-24-Ethylcholest-4-en-3-one; 24-Ethyl-4-cholesten-3-one; NSC 122041; 4-Cholesten-3-one, 24-ethyl-; Stigmast-4-en-3-one, (24R)-
EINECS	257-237-9

Quality Control

Our B-Sitosterone is produced under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles. We adhere to relevant industry standards, and specifications can be tailored to meet specific pharmaceutical or research-grade requirements upon request.

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 accordingly to maintain stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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