Description

3-Hydroxystigmast-5-En-7-One is a specific phytosterol derivative, a compound of significant interest in advanced chemical synthesis and research. Its defined structure makes it a valuable intermediate for the development of novel pharmaceutical agents and high-value fine chemicals. This product is primarily targeted at R&D laboratories and manufacturers in the pharmaceutical, nutraceutical, and specialty chemical sectors seeking high-purity intermediates for complex synthesis pathways.

Application

• Pharmaceutical Intermediate: Serves as a key chiral building block in the synthesis of novel steroid-based drug candidates and active pharmaceutical ingredients (APIs).
• Biochemical Research: Used as a reference standard or probe in metabolic pathway studies and enzyme interaction research related to sterol biosynthesis.
• Nutraceutical Development: Investigated for the development of advanced sterol-based supplements and functional food ingredients with targeted biological activity.
• Fine Chemical Synthesis: Acts as a specialized intermediate in the multi-step synthesis of complex organic molecules for agrochemicals and material science.
• Cosmetic Actives: Explored for use in high-end cosmetic formulations targeting specific skin biochemistry due to its steroidal backbone.

Basic Information

Product Name	3-Hydroxystigmast-5-En-7-One
CAS No.	2034-74-4
Molecular Formula	C₂₉H₄₈O₂
Molecular Weight	428.70 g/mol
Synonyms	7-Oxositosterol; 3β-Hydroxy-5α-stigmast-7-one; Stigmast-5-en-3β-ol-7-one; 7-Ketositosterol; 3-Hydroxy-5α-stigmast-7-one; 7-Oxo-β-sitosterol; (3β)-3-Hydroxystigmast-5-en-7-one; 7-Keto-β-sitosterol
EINECS	Contact for details

Quality Control

Our 3-Hydroxystigmast-5-En-7-One is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing including HPLC, GC, and spectroscopic methods (IR, NMR) to ensure identity, purity, and consistency. We provide full traceability and Certificates of Analysis (COA) are available for all shipments, detailing all critical quality parameters.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from heat, open flames, and incompatible materials. For long-term storage, consider an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 97.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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