Description

17,21-[(Butylboranediyl)Bisoxy]Pregn-4-Ene-3,11,20-Trione is a high-purity, synthetic steroid derivative with a unique boronate ester functionalization. This compound is valued for its role as a critical advanced pharmaceutical intermediate in the research and development of novel therapeutic agents. It is primarily utilized by pharmaceutical R&D laboratories and fine chemical manufacturers focused on steroid-based drug discovery and process chemistry.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of complex steroid-based active pharmaceutical ingredients (APIs).
• Research & Development: Used in medicinal chemistry for the development of new drug candidates targeting hormonal pathways and inflammatory responses.
• Process Chemistry: Serves as a pivotal intermediate in scale-up and optimization studies for commercial pharmaceutical manufacturing.
• Biochemical Research: Employed as a tool compound in studies investigating steroid receptor interactions and enzyme inhibition.
• Reference Standard: Utilized as a high-purity analytical standard for quality control and method development in analytical laboratories.

Basic Information

Product Name	17,21-[(Butylboranediyl)Bisoxy]Pregn-4-Ene-3,11,20-Trione
CAS No.	30888-64-3
Molecular Formula	C₂₆H₃₇BO₅
Molecular Weight	440.38 g/mol
Synonyms	11-Dehydrocorticosterone 17,21-butylboronate; 17,21-Butylboranediyldioxy-4-pregnene-3,11,20-trione; 4-Pregnene-3,11,20-trione, 17,21-[(butylboranediyl)bisoxy]-; Corticosterone 17,21-butylboronate derivative; 11-Dehydrocorticosterone butylboronate ester; 17,21-O-Butylboranylidene-11-dehydrocorticosterone; B-Butyl-11-dehydrocorticosterone cyclic boronate
EINECS	Contact for details

Quality Control

Our 17,21-[(Butylboranediyl)Bisoxy]Pregn-4-Ene-3,11,20-Trione is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and MS, to ensure high chemical purity and structural identity. Certificates of Analysis (COA) detailing all specifications are provided to guarantee batch-to-batch consistency and support your regulatory and R&D documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and easily oxidized; for long-term storage, it is recommended to keep the container under an inert atmosphere such as nitrogen or argon.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Single Unknown Impurity	≤ 0.5%
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.