Description

Estrofen is a high-purity chemical compound, also known by its CAS number 65296-29-9. This product is valued for its consistent quality and reliability, making it a critical component in advanced research and manufacturing processes. It is primarily utilized by the pharmaceutical, biotechnology, and fine chemical synthesis industries for the development of active pharmaceutical ingredients (APIs) and other specialized intermediates.

Application

• Key intermediate in the synthesis of complex pharmaceutical compounds and active ingredients.
• Research and development of novel therapeutic agents in academic and industrial laboratories.
• Production of fine chemicals and specialty materials requiring high-purity building blocks.
• Used in process development and scale-up activities within contract manufacturing organizations (CMOs).
• Reference standard for analytical method development and quality control testing.

Basic Information

Product Name	Estrofen
CAS No.	65296-29-9
Molecular Formula	C18H24O2
Molecular Weight	272.38 g/mol
Synonyms	Estrofen; 65296-29-9; 3-Hydroxy-19-nor-17α-pregna-1,3,5(10)-trien-20-yn-17-ol; 19-Nor-17α-pregna-1,3,5(10)-trien-20-yn-3,17-diol; Ethynylestradiol Impurity F; 17α-Ethynyl-1,3,5(10)-estratriene-3,17β-diol; 17α-Ethynylestra-1,3,5(10)-triene-3,17β-diol
EINECS	Contact for details

Quality Control

Our Estrofen is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets stringent specifications for pharmaceutical and research use. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and compliance.

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.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0% Any single impurity ≤ 1.0%
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.