Description

17,21-(Butylboranediyl)Bisoxy-3α,11β-Dihydroxy-5β-Pregnan-20-One is a high-purity, synthetic steroid derivative with a unique boronate ester functional group. This compound is a critical advanced pharmaceutical intermediate valued for its role in the synthesis of complex therapeutic agents. It is primarily utilized by pharmaceutical R&D laboratories and fine chemical manufacturers engaged in developing novel steroid-based drugs and research biochemicals.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel corticosteroid analogs and other potent steroid-based active pharmaceutical ingredients (APIs).
• Biochemical Research: Used as a precursor or reference standard in metabolic pathway studies and hormone receptor research.
• Process Chemistry: Serves as a strategic intermediate in multi-step organic synthesis for producing complex molecular architectures.
• Reference Standard: Employed in analytical method development and validation for quality control in pharmaceutical manufacturing.

Basic Information

Product Name	17,21-(Butylboranediyl)Bisoxy-3α,11β-Dihydroxy-5β-Pregnan-20-One
CAS No.	30888-35-8
Molecular Formula	C29H49BO6
Molecular Weight	504.51 g/mol
Synonyms	3α,11β,17,21-Tetrahydroxy-5β-pregnan-20-one 17,21-cyclic butylboronate; 5β-Pregnan-20-one, 3α,11β,17,21-tetrahydroxy-, 17,21-cyclic butylboronate; 17,21-O-(Butylboranediyl)-3α,11β-dihydroxy-5β-pregnan-20-one; Butylboronic acid cyclic ester with 3α,11β,17,21-tetrahydroxy-5β-pregnan-20-one
EINECS	Contact for details

Quality Control

Our 17,21-(Butylboranediyl)Bisoxy-3α,11β-Dihydroxy-5β-Pregnan-20-One is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for pharmaceutical research. A comprehensive 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 a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed in a dry environment to prevent moisture absorption, which may affect stability and performance.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Single Maximum Impurity	≤ 0.5%

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