Description

B-Sitostenone is a plant-derived steroidal ketone, also known as stigmast-4-en-3-one, with the CAS registry number 1058-61-3. This compound serves as a crucial intermediate in the synthesis of various steroidal pharmaceuticals and bioactive molecules, offering a natural and versatile building block for advanced chemical manufacturing. It is primarily utilized by research institutions and industrial manufacturers in the pharmaceutical, nutraceutical, and fine chemical sectors for development and production purposes.

Application

• Pharmaceutical Intermediate: A key starting material for the semi-synthesis of steroidal drugs and hormone analogs.
• Nutraceutical Research: Investigated for its potential bioactive properties in dietary supplement formulations.
• Reference Standard: Used as an analytical standard in quality control laboratories for the identification and quantification of plant sterols and related compounds.
• Fine Chemical Synthesis: Employed in organic synthesis to create more complex steroidal structures for research and development.
• Biochemical Studies: Utilized in metabolic pathway research and studies involving steroid biosynthesis.

Basic Information

Product Name	B-Sitostenone
CAS No.	1058-61-3
Molecular Formula	C29H48O
Molecular Weight	412.70 g/mol
Synonyms	Stigmast-4-en-3-one; β-Sitostenone; 24-Ethylcholest-4-en-3-one; 24-Ethyl-4-cholesten-3-one; (24R)-24-Ethylcholest-4-en-3-one; 24-Ethyl-δ4-cholesten-3-one; Fucosterol epoxide degradation product
EINECS	213-905-1

Quality Control

Our B-Sitostenone is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation by IR and NMR spectroscopy, to ensure it meets high-purity standards suitable for research and synthesis. Certificates of Analysis (COA) detailing all specifications are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). The product is stable under these conditions for extended periods.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
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.