Description

(17α)-19-Norpregn-5-En-20-Yne-3,17-Diol CAS NO 1492-41-7 is a high-purity steroid intermediate, also known as 19-Nor-17α-pregna-5(10)-en-20-yne-3,17-diol. This compound is valued for its role as a critical building block in the synthesis of more complex, biologically active steroid molecules. It is primarily required by pharmaceutical R&D and manufacturing sectors for the development of novel therapeutic agents and active pharmaceutical ingredients (APIs).

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of steroidal drugs, including progestins and other hormone-related therapeutics.
• Research & Development: Used in academic and industrial laboratories for pharmacological studies and the development of new steroid-based compounds.
• API Synthesis: Serves as a building block in the multi-step manufacturing process of complex Active Pharmaceutical Ingredients (APIs).
• Reference Standard: Can be utilized as a high-purity analytical standard for quality control and method validation in pharmaceutical analysis.

Basic Information

Product Name	(17α)-19-Norpregn-5-En-20-Yne-3,17-Diol
CAS No.	1492-41-7
Molecular Formula	C20H28O2
Molecular Weight	300.44 g/mol
Synonyms	19-Nor-17α-pregna-5(10)-en-20-yne-3,17-diol; 19-Norpregn-5-en-20-yne-3,17-diol; 17α-Ethynyl-19-norandrost-5-ene-3β,17β-diol; 17α-Ethynyl-19-nortestosterone-3β,17β-diol; 3β,17β-Dihydroxy-17α-ethynyl-19-norandrost-5-ene; 17α-Ethynyl-19-norandrost-5-ene-3β,17β-diol
EINECS	Contact for details

Quality Control

Our (17α)-19-Norpregn-5-En-20-Yne-3,17-Diol is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets the high standards required for pharmaceutical intermediates. A comprehensive Certificate of Analysis (COA) 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 a controlled room temperature (15-25°C). Keep away from incompatible materials and sources of ignition.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
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.