Description

5-Cholesten-3Beta-Ol 3-Crotonate is a high-purity sterol derivative, specifically the crotonate ester of cholesterol. This compound serves as a crucial advanced pharmaceutical intermediate and a versatile building block in organic synthesis. It is primarily utilized by research institutions and manufacturers in the pharmaceutical, nutraceutical, and fine chemical industries for developing novel therapeutic agents and specialized materials.

Application

• Pharmaceutical Intermediate: Key starting material or precursor in the synthesis of novel steroid-based drugs and active pharmaceutical ingredients (APIs).
• Biochemical Research: Used as a standard or reagent in metabolic pathway studies, enzyme inhibition assays, and sterol biochemistry research.
• Nutraceutical Development: Serves as a modified sterol component in the research and development of advanced dietary supplements and functional food ingredients.
• Material Science: Acts as a monomer or modifying agent in the synthesis of specialized polymers and liquid crystals with unique optical properties.
• Cosmetic Ingredient Synthesis: Intermediate for producing high-value sterol esters used in premium skincare formulations for their emollient and stabilizing properties.

Basic Information

Item	Detail
Product Name	5-Cholesten-3Beta-Ol 3-Crotonate
CAS No.	24951-77-7
Molecular Formula	C31H50O2
Molecular Weight	454.73 g/mol
Synonyms	Cholesterol Crotonate; Cholest-5-en-3β-ol 3-crotonate; 3β-Hydroxycholest-5-ene 3-crotonate; 5-Cholesten-3β-ol, 3-crotonate; (3β)-Cholest-5-en-3-yl (2E)-2-butenoate; Sterol crotonate; Cholesterol (E)-crotonate
EINECS	Contact for details

Quality Control

Our 5-Cholesten-3Beta-Ol 3-Crotonate is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing including HPLC for purity, IR and NMR for structural confirmation, and specific tests for related substances. We provide full traceability and Certificates of Analysis (COA) are available for every shipment, ensuring compliance with your research or cGMP-grade requirements.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at controlled room temperature (15-25°C) to prevent oxidation. Keep the container in a cool, dry, and well-ventilated area, away from heat sources and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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