Description

Stigmastadienone CAS NO 20817-72-5 is a high-purity steroidal ketone compound of significant interest in advanced chemical synthesis and research. Its unique molecular structure makes it a valuable intermediate for the development of specialized pharmaceuticals and bioactive compounds. This product is essential for research institutions and manufacturers in the pharmaceutical, nutraceutical, and fine chemical sectors seeking reliable, high-quality building blocks for complex synthesis.

Application

• Pharmaceutical Intermediate: A key starting material or intermediate in the synthesis of novel steroid-based drugs and active pharmaceutical ingredients (APIs).
• Biochemical Research: Used as a reference standard or probe in metabolic pathway studies, enzyme inhibition assays, and steroid hormone research.
• Fine Chemical Synthesis: Serves as a sophisticated building block for creating complex organic molecules in custom synthesis and process development.
• Nutraceutical Development: Investigated for potential applications in the development of specialized dietary supplements and health products.
• Academic & Industrial R&D: Employed in universities and corporate R&D labs for exploring new chemical entities and material science applications.

Basic Information

Product Name	Stigmastadienone
CAS No.	20817-72-5
Molecular Formula	C29H46O
Molecular Weight	410.68 g/mol
Synonyms	Stigmasta-4,22-dien-3-one; (22E)-Stigmasta-4,22-dien-3-one; 4,22-Stigmastadien-3-one; δ4,22-Stigmastadien-3-one; 3-Oxo-stigmasta-4,22-diene; NSC 146063
EINECS	Contact for details

Quality Control

Our Stigmastadienone is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including HPLC, GC, and spectroscopic methods (IR, NMR), to confirm identity and purity. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting all critical quality attributes. We adhere to cGMP principles where applicable to support our clients in regulated industries.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a 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)	≥ 98.0%
Melting Point	Specification available upon request
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.