Description

(4R)-5,10-Seco-19-Norpregna-4,5-Diene-3,10,20-Trione is a high-purity, synthetic steroid derivative and a key advanced pharmaceutical intermediate. This compound is valued for its specific stereochemistry and functional groups, which make it a crucial building block in the synthesis of complex, biologically active molecules. It is primarily sought by research institutions and pharmaceutical manufacturers engaged in the development of novel steroid-based therapeutics and fine chemical synthesis.

Application

• Pharmaceutical Intermediate: A critical precursor in the multi-step synthesis of novel steroid-based active pharmaceutical ingredients (APIs).
• Steroid Research & Development: Used as a reference standard and a starting material in medicinal chemistry for exploring new therapeutic pathways.
• Fine Chemical Synthesis: Serves as a specialized building block for creating complex molecular architectures in organic chemistry laboratories.
• Biochemical Research: Employed in studies investigating steroid hormone metabolism, receptor interactions, and enzyme inhibition.

Basic Information

Product Name	(4R)-5,10-Seco-19-Norpregna-4,5-Diene-3,10,20-Trione
CAS No.	60398-19-8
Molecular Formula	C20H24O3
Molecular Weight	312.41 g/mol
Synonyms	5,10-Seco-19-norpregna-4,5-diene-3,10,20-trione, (4R)-; 19-Nor-5,10-secopregna-4,5-diene-3,10,20-trione; (4R)-5,10-Seco-19-norpregna-4,5-diene-3,10,20-trione; 4R Isomer of 5,10-Seco-19-Norpregna-4,5-Diene-3,10,20-Trione; 60398-19-8; Norpregna derivative; Seco-norsteroid trione.
EINECS	Contact for details

Quality Control

We supply (4R)-5,10-Seco-19-Norpregna-4,5-Diene-3,10,20-Trione with a focus on high purity and batch-to-batch consistency, suitable for demanding research and development applications. Our products undergo rigorous quality testing to ensure compliance with industry standards. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at controlled room temperature (typically 15-25°C). Keep the container tightly sealed in a dry environment to maintain stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Specific Rotation	Contact for details
Loss on Drying	≤ 0.5%

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