Description

(3Beta,24Xi)-Stigmast-5-En-3-Ol CAS NO 19044-06-5 is a high-purity phytosterol, specifically a stereoisomer of β-sitosterol, valued for its consistent chemical profile and biological activity. This compound is essential for research and development in the pharmaceutical and nutraceutical sectors, where precise molecular structure is critical for efficacy and regulatory compliance. It serves as a key intermediate and reference standard for manufacturers developing cholesterol-lowering agents, anti-inflammatory drugs, and specialized dietary supplements.

Application

• Pharmaceutical Intermediate: Used in the synthesis of steroid-based drugs and active pharmaceutical ingredients (APIs).
• Nutraceutical Formulation: Incorporated into dietary supplements for cardiovascular health and cholesterol management.
• Reference Standard: Serves as a certified analytical standard for quality control and method validation in laboratories.
• Biochemical Research: Employed in studies of lipid metabolism, membrane biology, and plant sterol pathways.
• Cosmetic Ingredients: Used in premium skincare formulations for its stabilizing and skin-barrier enhancing properties.
• Food Science: Applied in functional food development as a bioactive component.

Basic Information

Product Name	(3Beta,24Xi)-Stigmast-5-En-3-Ol
CAS No.	19044-06-5
Molecular Formula	C29H50O
Molecular Weight	414.71 g/mol
Synonyms	24-Ethylcholest-5-en-3β-ol; 24ξ-Ethylcholest-5-en-3β-ol; β-Sitosterol (mixed stereoisomer); Stigmast-5-en-3-ol, (3β,24ξ)-; Clionasterol stereoisomer; 5-Stigmasten-3β-ol; Phytosterol B; NSC 16895
EINECS	242-783-8

Quality Control

Our (3Beta,24Xi)-Stigmast-5-En-3-Ol is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets stringent specifications for research and industrial use. Certificates of Analysis (COA) detailing all test results are available 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 reference spectrum
Assay (HPLC)	≥ 95.0%
Melting Point	136 - 140 °C
Loss on Drying	≤ 1.0 %
Heavy Metals	≤ 20 ppm
Residue on Ignition	≤ 0.1 %

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