Description

1,11-Ethanoestradiol is a synthetic steroid derivative of estradiol, a key estrogen hormone. This compound is of significant interest in pharmaceutical research and development for creating novel therapeutic agents. It serves as a crucial intermediate for researchers and manufacturers in the pharmaceutical and life sciences sectors, particularly those focused on endocrinology and hormone-related therapies.

Application

• Pharmaceutical Intermediate: Primary use as a building block in the synthesis of novel steroidal drugs and active pharmaceutical ingredients (APIs).
• Endocrinology Research: Used in biochemical and pharmacological studies to investigate estrogen receptor activity and modulation.
• Hormone Therapy Development: A key precursor in the research and development of next-generation hormone replacement therapies (HRT) and related treatments.
• Chemical Reference Standard: Serves as a high-purity analytical standard for quality control and method development in laboratory testing.
• Academic & Industrial R&D: Employed in universities and corporate R&D departments for exploring new chemical entities and their biological effects.

Basic Information

Product Name	1,11-Ethanoestradiol
CAS No.	126559-87-3
Molecular Formula	C20H26O2
Molecular Weight	298.42 g/mol
Synonyms	1,11-Ethanoestradiol; 1,11-Ethano-estradiol; 1,11-Ethanoestra-1,3,5(10)-triene-3,17β-diol; Estra-1,3,5(10)-triene-3,17-diol, 1,11-ethano-; 11,19-Ethanoestra-1,3,5(10)-triene-3,17-diol; 1,11-Ethano-17β-estradiol
EINECS	Contact for details

Quality Control

Our 1,11-Ethanoestradiol 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 research and pharmaceutical applications. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting key parameters such as assay purity and impurity profiles.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (typically 15-25°C). Keep away from heat and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Loss on Drying	≤ 0.5%

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