Description

Estra-1,3,5(10),6-Tetraene-3,17-Diol is a high-purity steroid derivative with a unique tetraene structure. This compound is valued for its role as a critical intermediate in advanced pharmaceutical synthesis and specialized organic research. It is primarily sought by manufacturers and R&D laboratories in the pharmaceutical, biotechnology, and fine chemical sectors for developing novel therapeutic agents and conducting structure-activity relationship studies.

Application

• Pharmaceutical Intermediate: A key building block for the synthesis of novel steroidal drugs and active pharmaceutical ingredients (APIs).
• Biochemical Research: Used in academic and industrial research to study steroid hormone analogs and receptor interactions.
• Fine Chemical Synthesis: Serves as a precursor for creating complex, high-value specialty chemicals with specific biological activities.
• Reference Standard: Employed as an analytical standard in quality control laboratories for method development and validation.

Basic Information

Product Name	Estra-1,3,5(10),6-Tetraene-3,17-Diol
CAS No.	7291-41-0
Molecular Formula	C18H22O2
Molecular Weight	270.37 g/mol
Synonyms	3,17-Dihydroxyestra-1,3,5(10),6-tetraene; Estra-1,3,5(10),6-tetraene-3,17β-diol; 3,17β-Estratetraenediol; 6-Dehydro-17β-estradiol; 6-Dehydroestradiol; NSC 121773; 3,17-Dihydroxy-1,3,5(10),6-estratetraene
EINECS	Contact for details

Quality Control

Our Estra-1,3,5(10),6-Tetraene-3,17-Diol is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods, to ensure it meets the high standards required for pharmaceutical intermediates and research chemicals. Certificates of Analysis (COA) are available upon request.

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; ensure the container is kept sealed in a dry environment 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
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Single Unknown Impurity	≤ 0.5%

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