Description

11Beta,17,21-Trihydroxypregn-4-Ene-3,20-Dione 17-Benzoate is a high-purity steroid derivative, specifically a 17-benzoate ester of a key pregnane structure. This compound is of significant value as a crucial pharmaceutical intermediate and a reference standard in analytical chemistry and research. It is primarily required by manufacturers and R&D laboratories in the pharmaceutical, biotechnology, and fine chemical synthesis sectors for the development and production of steroid-based APIs and other advanced molecules.

Application

• Pharmaceutical Intermediate: A key building block in the multi-step synthesis of complex steroid-based active pharmaceutical ingredients (APIs).
• Reference Standard: Used for analytical method development, validation, and quality control (QC) testing in pharmaceutical and research laboratories.
• Biochemical Research: Serves as a precursor or standard in metabolic pathway studies, receptor binding assays, and steroid hormone research.
• Fine Chemical Synthesis: Employed in custom synthesis and the production of specialized steroid derivatives for various industrial and research applications.

Basic Information

Item	Detail
Product Name	11Beta,17,21-Trihydroxypregn-4-Ene-3,20-Dione 17-Benzoate
CAS No.	28956-89-0
Molecular Formula	C28H34O6
Molecular Weight	466.57 g/mol
Synonyms	Hydrocortisone 17-Benzoate; 11β,17,21-Trihydroxypregn-4-ene-3,20-dione 17-benzoate; Cortisol 17-benzoate; 17α-Benzoyloxy-11β,21-dihydroxypregn-4-ene-3,20-dione; 11β-Hydroxycortisol 17-benzoate; 17-Benzoyloxycortisol; Hydrocortisone 17α-benzoate
EINECS	Contact for details

Quality Control

Our 11Beta,17,21-Trihydroxypregn-4-Ene-3,20-Dione 17-Benzoate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, IR, and NMR, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all specification results. Our quality commitment aligns with the standards expected for pharmaceutical intermediates and reference materials.

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); ensure the container is sealed tightly after each use to minimize exposure to atmospheric humidity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference standard
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%

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