Description

20,21-[(tert-Butylboranediyl)Bis(Oxy)]-5α-Pregn-17(20)-En-3-One is a high-purity, synthetic steroid derivative characterized by a unique boronate ester functionalization. This compound is a critical advanced pharmaceutical intermediate (API intermediate) used in the research and development of novel therapeutic agents. It is primarily utilized by pharmaceutical R&D laboratories and fine chemical manufacturers engaged in the synthesis of complex bioactive molecules.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel steroid-based pharmaceuticals and active pharmaceutical ingredients (APIs).
• Medicinal Chemistry Research: Used in drug discovery programs for the development of new therapeutic agents targeting hormone receptors and related pathways.
• Biochemical Research: Serves as a precursor or reference standard in metabolic and enzymatic studies involving steroid transformations.
• Process Development: Employed in the scale-up and optimization of synthetic routes for complex organic molecules in fine chemical production.

Basic Information

Product Name	20,21-[(tert-Butylboranediyl)Bis(Oxy)]-5α-Pregn-17(20)-En-3-One
CAS No.	30881-78-8
Molecular Formula	C26H41BO3
Molecular Weight	412.42 g/mol
Synonyms	5α-Pregn-17(20)-en-3-one, 20,21-[(1,1-dimethylethyl)boranediyl]bis[oxy]-; 20,21-O-(tert-Butylboranediyl)-5α-pregn-17(20)-en-3-one; tert-Butyl 20,21-(boranediyl)dioxy-5α-pregn-17(20)-en-3-one; Steroid boronate ester intermediate; Pregnene boronate derivative
EINECS	Contact for details

Quality Control

Our 20,21-[(tert-Butylboranediyl)Bis(Oxy)]-5α-Pregn-17(20)-En-3-One is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and spectroscopic identification (NMR, IR, MS), to ensure it meets the stringent requirements for pharmaceutical research. A Certificate of Analysis (COA) detailing all specifications 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). Due to its hygroscopic nature, the container must be kept tightly sealed in a dry environment to prevent moisture absorption.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
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.