Description

Cholesta-4,9(11)-Dien-3-One is a high-purity steroidal intermediate of significant importance in organic synthesis. This compound matters as a versatile building block for the development of novel pharmaceutical agents and advanced research chemicals. It is primarily needed by manufacturers and research institutions in the pharmaceutical, biotechnology, and fine chemical sectors for the synthesis of complex steroid derivatives and active pharmaceutical ingredients (APIs).

Application

• Pharmaceutical Intermediate: A key starting material for the synthesis of steroidal drugs and hormone analogs.
• Research & Development: Used in academic and industrial laboratories for exploring new synthetic pathways and biological activities.
• Fine Chemical Synthesis: Serves as a precursor in the multi-step synthesis of complex organic molecules for various applications.
• Biochemical Research: Employed in studies investigating steroid metabolism, receptor binding, and enzyme inhibition.
• Reference Standard: Can be utilized as an analytical standard for quality control and method development in chromatographic analysis.

Basic Information

Product Name	Cholesta-4,9(11)-Dien-3-One
CAS No.	23820-62-4
Molecular Formula	C27H42O
Molecular Weight	382.63 g/mol
Synonyms	4,9(11)-Cholestadien-3-one; Cholesta-4,9(11)-dien-3-one; δ4,9(11)-Cholesten-3-one; 3-Oxo-cholesta-4,9(11)-diene; (8R,9S,10R,13R,14S,17R)-10,13-Dimethyl-17-[(2R)-6-methylheptan-2-yl]-2,3,4,7,8,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-1-one
EINECS	Contact for details

Quality Control

Our Cholesta-4,9(11)-Dien-3-One is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC and spectroscopic methods, to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting all critical parameters are available upon request to support your quality assurance protocols.

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, sparks, and open flame.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (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.