Description

3-Methoxy-1,3,5(10),15-Estratetren-17β-Ol is a high-purity, synthetic steroid derivative, also known by its CAS number 17980-88-0. This compound is a critical intermediate in advanced pharmaceutical synthesis, valued for its defined stereochemistry and consistent quality. It is primarily required by research institutions and pharmaceutical manufacturers engaged in the development and production of specialized steroid-based therapeutics and reference standards.

Application

• Pharmaceutical Intermediate: A key building block in the multi-step synthesis of complex steroid-based active pharmaceutical ingredients (APIs).
• Research & Development: Used as a reference standard or starting material in medicinal chemistry for developing new therapeutic agents.
• Biochemical Research: Serves as a tool compound in studies investigating steroid hormone pathways, receptor binding, and metabolic processes.
• Fine Chemical Synthesis: Employed in custom synthesis and contract manufacturing for producing high-value, specialized steroid derivatives.

Basic Information

Product Name	3-Methoxy-1,3,5(10),15-Estratetren-17β-Ol
CAS No.	17980-88-0
Molecular Formula	C19H24O2
Molecular Weight	284.39 g/mol
Synonyms	3-Methoxyestra-1,3,5(10),15-tetraen-17β-ol; 15-Dehydroestrone methyl ether; 17β-Hydroxy-3-methoxyestra-1,3,5(10),15-tetraene; Estra-1,3,5(10),15-tetraen-17β-ol, 3-methoxy-; 3-Methoxy-δ15-estratetraen-17β-ol
EINECS	Contact for details

Quality Control

Our 3-Methoxy-1,3,5(10),15-Estratetren-17β-Ol is manufactured under strict quality management systems. Each batch is subjected to comprehensive analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and conformity to stringent specifications. Certificates of Analysis (COA) detailing all test results are provided with every shipment to support your quality assurance and regulatory needs.

Storage

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

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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