Description

(13α,17α,20S,23R,24R)-21,24-Epoxy-4,4,8-Trimethyl-5α-Cholest-14-Ene-1α,3α,7α,23,25-Pentol 1,7-Diacetate 3-Benzoate is a complex, multi-functional steroidal derivative with a unique epoxy and polyol structure. This compound matters as a high-value, versatile chemical intermediate, offering a sophisticated molecular scaffold for advanced synthesis. It is primarily needed by research institutions and pharmaceutical developers working on novel therapeutic agents, particularly in the fields of oncology, endocrinology, and metabolic disease research.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the research and development of novel steroidal drugs and hormone analogs.
• Biochemical Research: Used as a reference standard or probe in studies investigating sterol metabolism, enzyme inhibition, and receptor binding.
• Organic Synthesis: Acts as a versatile precursor for the synthesis of more complex, target-specific steroidal compounds due to its reactive hydroxyl and epoxy groups.
• Academic & Discovery Chemistry: Employed in university and industrial R&D labs for exploring new chemical entities and structure-activity relationships (SAR).

Basic Information

Product Name	(13α,17α,20S,23R,24R)-21,24-Epoxy-4,4,8-Trimethyl-5α-Cholest-14-Ene-1α,3α,7α,23,25-Pentol 1,7-Diacetate 3-Benzoate
CAS No.	57589-59-0
Molecular Formula	C39H56O9
Molecular Weight	668.86 g/mol
Synonyms	21,24-Epoxy-4,4,8-trimethyl-5α-cholest-14-ene-1α,3α,7α,23,25-pentol 1,7-diacetate 3-benzoate; 1α,7α-Diacetoxy-3α-benzoyloxy-21,24-epoxy-4,4,8-trimethyl-5α-cholest-14-ene-23,25-diol; Withanolide D 1,7-diacetate 3-benzoate; (20S,23R,24R)-21,24-Epoxy-4,4,8-trimethyl-5α-cholest-14-ene-1α,3α,7α,23,25-pentol 1,7-diacetate 3-benzoate
EINECS	Contact for details

Quality Control

Our products undergo rigorous quality testing to ensure compliance with industry standards. Certificates of Analysis (COA) are available upon request. For this high-purity research chemical, quality is assured through advanced analytical techniques including HPLC, NMR, and mass spectrometry to confirm identity and purity, meeting the stringent requirements of pharmaceutical R&D.

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 light-sensitive and should be handled under appropriate conditions to maintain stability.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference standard
Assay (HPLC)	≥ 95.0%
Related Substances (HPLC)	Total impurities ≤ 5.0%
Residual Solvents (GC)	Meets ICH guidelines

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