Description

Ethynylestradiol Diacetate is a synthetic steroid derivative, specifically the diacetate ester of ethynylestradiol. This compound serves as a key pharmaceutical intermediate in the synthesis of modern hormonal therapeutics. It is primarily required by manufacturers in the pharmaceutical and fine chemical industries for research and development, as well as for the production of active pharmaceutical ingredients (APIs).

Application

• Pharmaceutical Intermediate: Critical starting material or intermediate in the synthesis of steroidal drugs and hormonal agents.
• Hormone Research: Used in biochemical and pharmacological research to study estrogenic activity and receptor interactions.
• API Synthesis: Employed in the manufacturing process of active pharmaceutical ingredients (APIs) for contraceptive and hormone replacement therapies.
• Reference Standard: Serves as a high-purity analytical standard for quality control and regulatory testing in pharmaceutical laboratories.
• Fine Chemical Production: Utilized in custom synthesis and the production of specialized fine chemicals for advanced applications.

Basic Information

Item	Detail
Product Name	Ethynylestradiol Diacetate
CAS No.	13258-68-9
Molecular Formula	C24H28O4
Molecular Weight	380.48 g/mol
Synonyms	19-Nor-17α-pregna-1,3,5(10)-trien-20-yne-3,17-diol diacetate; Ethinylestradiol Diacetate; 17α-Ethynylestra-1,3,5(10)-triene-3,17β-diol diacetate; EE Diacetate; Ethynyloestradiol Diacetate; NSC 9566; 3,17β-Diacetoxy-19-nor-17α-pregna-1,3,5(10)-trien-20-yne
EINECS	Contact for details

Quality Control

Our Ethynylestradiol Diacetate is produced and tested under a strict quality management system to ensure batch-to-batch consistency and high purity. We adhere to current Good Manufacturing Practices (cGMP) where applicable. A comprehensive Certificate of Analysis (COA) is provided with each shipment, detailing key parameters such as identity, purity, and impurity profiles to meet the stringent requirements of pharmaceutical development.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from incompatible materials. For long-term storage, consider inert atmosphere conditions to ensure optimal stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
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.