Description

(17R)-19-Norpregn-5(10)-En-20-Yne-3α,17-Diol is a high-purity synthetic steroid derivative with a unique norpregnane backbone. This compound serves as a critical advanced pharmaceutical intermediate for the research and development of novel therapeutic agents. It is primarily utilized by pharmaceutical R&D laboratories and fine chemical manufacturers engaged in the synthesis of specialized steroid-based molecules.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel steroid-based active pharmaceutical ingredients (APIs).
• Research Chemical: Used in academic and industrial research for studying steroid receptor activity and metabolic pathways.
• Process Development: Serves as a reference standard and starting material for optimizing synthetic routes in process chemistry.
• Biochemical Research: Investigated for its potential biological activity and as a tool compound in endocrinology studies.

Basic Information

Product Name	(17R)-19-Norpregn-5(10)-En-20-Yne-3α,17-Diol
CAS No.	21466-08-0
Molecular Formula	C20H28O2
Molecular Weight	300.44 g/mol
Synonyms	19-Norpregn-5(10)-en-20-yne-3α,17-diol, (17R)-; 3α,17-Dihydroxy-19-norpregn-5(10)-en-20-yne; (17R)-19-Norpregna-5(10),20-diene-3α,17-diol; 19-Nor-5(10)-pregnene-20-yne-3α,17β-diol; Pregna-5(10),20-diene-3α,17-diol, 19-nor-, (17R)-; Steroid intermediate 21466-08-0; 3α-Hydroxy-19-norpregn-5(10)-en-20-yn-17β-ol
EINECS	Contact for details

Quality Control

Our (17R)-19-Norpregn-5(10)-En-20-Yne-3α,17-Diol is manufactured under strict quality management systems. The product undergoes rigorous analytical testing, including HPLC for purity and spectroscopic identification (IR, NMR), to ensure it meets exacting standards for research and synthesis. A comprehensive Certificate of Analysis (COA) is provided with each batch to guarantee traceability and specification compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed in a dry environment to prevent moisture absorption.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Specific Rotation	Contact for details

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