Description

4-Pregnen-11-Beta, 21-Diol-3,18,20-Trione 21-Acetate is a high-purity steroid derivative and a key synthetic intermediate in the production of more complex pharmaceutical compounds. Its precise molecular structure makes it a critical building block for researchers and manufacturers developing novel therapeutic agents. This compound is primarily utilized in the pharmaceutical and biotechnology sectors for advanced research and development, including the synthesis of corticosteroids and other specialized active pharmaceutical ingredients (APIs).

Application

• Pharmaceutical Intermediate: A crucial precursor in the multi-step synthesis of potent corticosteroid APIs and other steroid-based therapeutics.
• Research & Development: Used in academic and industrial laboratories for investigating steroid metabolism, receptor binding, and developing new drug candidates.
• Biochemical Synthesis: Serves as a starting material or intermediate for the custom synthesis of complex biomolecules and reference standards.
• Process Chemistry: Employed in scale-up and optimization studies for the commercial manufacturing of steroid drugs.

Basic Information

Item	Details
Product Name	4-Pregnen-11-Beta, 21-Diol-3,18,20-Trione 21-Acetate
CAS No.	2827-21-6
Molecular Formula	C23H30O6
Molecular Weight	402.48 g/mol
Synonyms	11β,21-Dihydroxypregn-4-ene-3,18,20-trione 21-acetate; 11β,21-Dihydroxy-3,18,20-trioxopregn-4-en-21-yl acetate; 21-Acetoxy-11β,21-dihydroxypregn-4-ene-3,18,20-trione; Cortexolone 21-acetate; Reichstein's Substance S 21-acetate; 11-Deoxycortisol 21-acetate; 17α,21-Dihydroxypregn-4-ene-3,11,20-trione 21-acetate (related)
EINECS	Contact for details

Quality Control

Our 4-Pregnen-11-Beta, 21-Diol-3,18,20-Trione 21-Acetate is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods, to ensure it meets the high standards required for pharmaceutical R&D. A Certificate of Analysis (COA) detailing all test results is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and should be handled in a dry environment to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
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.