Description

17,21-Dihydroxypregna-1,4-Diene-3,11,20-Trione 21-Heptanoate is a synthetic steroid derivative, specifically a heptanoate ester of a dihydroxypregnadienetrione. This compound is a critical pharmaceutical intermediate used in the synthesis of more complex steroid-based active pharmaceutical ingredients (APIs). Its precise chemical structure allows for targeted modifications, making it essential for research and development in steroid chemistry. This high-purity intermediate is primarily required by manufacturers in the pharmaceutical and advanced fine chemical sectors.

Application

• Pharmaceutical Intermediate: Key building block in the multi-step synthesis of corticosteroid and other steroid-based APIs.
• Research & Development: Used in medicinal chemistry for the discovery and structural optimization of new steroid drug candidates.
• Process Chemistry: Serves as a defined starting material or intermediate in scale-up and process optimization for commercial drug manufacturing.
• Reference Standard: Can be utilized as an analytical standard for quality control and method development in pharmaceutical analysis.
• Biochemical Research: Employed in studies investigating steroid hormone pathways, receptor interactions, and metabolic processes.

Basic Information

Product Name	17,21-Dihydroxypregna-1,4-Diene-3,11,20-Trione 21-Heptanoate
CAS No.	85959-59-7
Molecular Formula	C28H38O7
Molecular Weight	486.60 g/mol
Synonyms	Pregna-1,4-diene-3,11,20-trione, 17,21-dihydroxy-, 21-heptanoate; 21-Heptanoyloxy-17-hydroxypregna-1,4-diene-3,11,20-trione; Cortienic Acid Heptanoate Ester; 17,21-Dihydroxypregnadienetrione 21-Heptanoate; 1,4-Pregnadiene-17,21-diol-3,11,20-trione 21-heptanoate
EINECS	Contact for details

Quality Control

Our 17,21-Dihydroxypregna-1,4-Diene-3,11,20-Trione 21-Heptanoate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements for pharmaceutical intermediates. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance protocols.

Storage

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

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
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.