Description

Cholesta-3,5-Dien-7-One is a high-purity steroidal ketone and a key intermediate in the synthesis of various bioactive molecules. This compound is valued for its defined chemical structure, which serves as a critical building block in advanced organic and pharmaceutical chemistry. It is essential for researchers and manufacturers in the pharmaceutical, life sciences, and fine chemical sectors developing steroid-based APIs, reference standards, and novel chemical entities.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of steroid-based active pharmaceutical ingredients (APIs) and hormone analogs.
• Research & Development: Used as a reference standard and a key starting material in medicinal chemistry and biochemical research for studying steroid metabolism and receptor interactions.
• Fine Chemical Synthesis: Serves as a versatile building block for creating complex steroidal structures in custom synthesis and process development.
• Life Science Reagents: Employed in the development of biochemical assays, diagnostic reagents, and other specialized life science products.

Basic Information

Product Name	Cholesta-3,5-Dien-7-One
CAS No.	567-72-6
Molecular Formula	C27H44O
Molecular Weight	384.64 g/mol
Synonyms	7-Oxocholesta-3,5-diene; 3,5-Cholestadien-7-one; 7-Ketocholesta-3,5-diene; δ3,5-Cholestadien-7-one; NSC 6135; 7-Oxo-δ3,5-cholestadiene
EINECS	209-282-7

Quality Control

Our Cholesta-3,5-Dien-7-One is manufactured under strict quality control protocols to ensure high purity and batch-to-batch consistency. Each lot is analyzed using advanced techniques including HPLC, GC, and NMR to confirm identity and purity. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment to support your quality assurance and regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to minimize exposure to atmospheric moisture.

Specification

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