Description

Estra-1,3,5,7,9-Pentaene-3,17Beta-Diol is a high-purity, conjugated pentaene steroid derivative of significant interest in advanced organic synthesis and pharmaceutical research. Its unique polyene structure makes it a valuable intermediate for developing novel steroid-based compounds with potential biological activity. This product is essential for R&D chemists and process development scientists in the pharmaceutical, biotechnology, and fine chemical sectors seeking to explore new molecular entities.

Application

• Pharmaceutical Intermediate: A key building block for the synthesis of novel steroid analogs and hormone derivatives in drug discovery programs.
• Research Chemical: Used in academic and industrial laboratories to study structure-activity relationships (SAR) of polyene steroids.
• Reference Standard: Serves as a high-purity analytical standard for method development and quality control in steroid analysis.
• Fine Chemical Synthesis: Employed in the multi-step synthesis of complex organic molecules requiring a conjugated pentaene steroid core.
• Biochemical Research: Investigated for potential interactions with steroid receptors or enzymes due to its distinct structural features.

Basic Information

Item	Detail
Product Name	Estra-1,3,5,7,9-Pentaene-3,17Beta-Diol
CAS No.	1423-97-8
Molecular Formula	C18H22O2
Molecular Weight	270.37 g/mol
Synonyms	3,17β-Dihydroxyestra-1,3,5,7,9-pentaene; Estra-1,3,5,7,9-pentaene-3,17β-diol; 1,3,5,7,9-Estrapentaene-3,17β-diol; 3,17β-Dihydroxy-1,3,5,7,9-estrapentaene; NSC 121773; 17β-Estra-1,3,5,7,9-pentaene-3,17-diol
EINECS	Contact for details

Quality Control

Our Estra-1,3,5,7,9-Pentaene-3,17Beta-Diol is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation by spectroscopic methods, to ensure it meets the stringent requirements of research and development applications. Certificates of Analysis (COA) documenting all critical quality attributes are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at controlled room temperature (15-25°C) to minimize oxidation. Keep the container in a cool, dry, and well-ventilated place, away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white 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%

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