Description

Pregnane-3β,11α,12β,14β,20-Pentol 3,12,20-Triacetate 11-Benzoate CAS NO 55493-79-3 is a high-purity, multi-functional steroid derivative characterized by its specific pentol and esterified structure. This compound is of significant value as a critical pharmaceutical intermediate and a versatile building block in advanced organic synthesis. It is primarily required by research institutions and manufacturers in the pharmaceutical and fine chemical sectors for developing novel therapeutic agents and conducting structure-activity relationship studies.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of complex steroid-based active pharmaceutical ingredients (APIs).
• Research & Development: Used as a reference standard and a starting material in medicinal chemistry for drug discovery programs.
• Biochemical Research: Employed in studies investigating steroid hormone metabolism, receptor binding, and enzymatic pathways.
• Fine Chemical Synthesis: Acts as a versatile chiral building block for constructing more complex molecular architectures in organic chemistry.
• Process Development: Utilized in scaling up synthetic routes for steroid derivatives under Good Manufacturing Practice (GMP) conditions.

Basic Information

Product Name	Pregnane-3β,11α,12β,14β,20-Pentol 3,12,20-Triacetate 11-Benzoate
CAS No.	55493-79-3
Molecular Formula	C34H46O10
Molecular Weight	614.73 g/mol
Synonyms	11β,14β,21-Trihydroxypregn-4-ene-3,20-dione 21-acetate; 11β-Hydroxyprogesterone 21-acetate; 11β,14β,21-Trihydroxy-4-pregnene-3,20-dione 21-acetate; 21-Acetoxy-11β,14β,21-trihydroxypregn-4-ene-3,20-dione; 3β,11α,12β,14β,20-Pentahydroxypregnane 3,12,20-triacetate 11-benzoate; Pregn-4-ene-3,20-dione, 11β,14β,21-trihydroxy-, 21-acetate
EINECS	Contact for details

Quality Control

Our Pregnane-3β,11α,12β,14β,20-Pentol 3,12,20-Triacetate 11-Benzoate is produced under stringent quality management systems. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting research and pharmaceutical-grade standards. Comprehensive Certificates of Analysis (COA) detailing purity, impurities, and physical characteristics are provided to guarantee traceability and compliance with your specifications.

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 light-sensitive; therefore, containers must be kept tightly sealed in a desiccated environment and away from direct light exposure to maintain stability and purity.

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%
Single Unknown Impurity (HPLC)	≤ 0.5%
Total Impurities (HPLC)	≤ 2.0%

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