Description

(17β)-Estra-1,3,5(10),6,8-Pentaene-3,17β-Diol Diacetate CAS NO 1423-96-7 is a high-purity, synthetic steroid derivative, specifically a diacetate ester of a pentaene estradiol analog. This compound is valued for its role as a critical pharmaceutical intermediate and a versatile building block in advanced organic synthesis. It is primarily utilized by research institutions and manufacturers in the pharmaceutical and life sciences sectors for the development of novel therapeutic agents and biochemical research.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of specialized steroid-based active pharmaceutical ingredients (APIs).
• Biochemical Research: Used as a reference standard or starting material in studies involving steroid hormone pathways and receptor interactions.
• Organic Synthesis: Serves as a complex building block for constructing novel chemical entities in medicinal chemistry programs.
• Reference Standard: Employed in analytical laboratories for method development, calibration, and quality control testing of related compounds.

Basic Information

Product Name	(17β)-Estra-1,3,5(10),6,8-Pentaene-3,17β-Diol Diacetate
CAS No.	1423-96-7
Molecular Formula	C22H26O4
Molecular Weight	354.44 g/mol
Synonyms	3,17β-Diacetoxyestra-1,3,5(10),6,8-pentaene; Estra-1,3,5(10),6,8-pentaene-3,17β-diol diacetate; 3,17β-Dihydroxyestra-1,3,5(10),6,8-pentaene diacetate; 3,17β-Bis(acetyloxy)estra-1,3,5(10),6,8-pentaene; Pentaene Estradiol Diacetate; NSC 121773; 17β-Estra-1,3,5(10),6,8-pentaene-3,17-diol diacetate
EINECS	Contact for details

Quality Control

Our (17β)-Estra-1,3,5(10),6,8-Pentaene-3,17β-Diol Diacetate is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting all critical quality attributes are provided and available upon request to support your regulatory and research needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (typically 15-25°C). Keep the container sealed to protect from moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to 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.