Description

17β-Hydroxy-17-(1-Propynyl)Estra-5(10),9(11)-Dien-3-One is a high-purity synthetic steroid intermediate with a unique diene structure. This compound is valued for its role as a versatile building block in the research and development of novel pharmaceutical agents. It is primarily sought by R&D laboratories and manufacturers in the pharmaceutical and life sciences sectors for the synthesis of specialized steroid-based compounds.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel steroidal drugs and active pharmaceutical ingredients (APIs).
• Research & Development: Used in academic and industrial laboratories for pharmacological studies and the development of new therapeutic agents.
• Steroid Chemistry: Serves as a critical building block for modifying steroid backbones to explore new structure-activity relationships.
• Biochemical Research: Employed in studies investigating hormone receptors and metabolic pathways.
• Reference Standard: Can be utilized as a high-purity analytical standard for quality control and method development.

Basic Information

Product Name	17β-Hydroxy-17-(1-Propynyl)Estra-5(10),9(11)-Dien-3-One
CAS No.	10109-53-2
Molecular Formula	C21H26O2
Molecular Weight	310.43 g/mol
Synonyms	17β-Hydroxy-17-(1-propynyl)estra-5(10),9(11)-dien-3-one; 17β-Hydroxy-17-prop-1-ynyl-estra-5(10),9(11)-dien-3-one; 17-(1-Propynyl)-17β-hydroxyestra-5(10),9(11)-dien-3-one; Estra-5(10),9(11)-dien-3-one, 17β-hydroxy-17-(1-propynyl)-; 17β-Hydroxy-17-propynylestra-5(10),9(11)-dien-3-one
EINECS	Contact for details

Quality Control

Our 17β-Hydroxy-17-(1-Propynyl)Estra-5(10),9(11)-Dien-3-One is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods, to ensure it meets exacting standards for research and synthesis. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment.

Storage

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

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.