Description

5 α-Dihydronorethindrone is a synthetic steroid derivative and a key pharmaceutical intermediate. This compound is valued for its role in the synthesis of active pharmaceutical ingredients (APIs) and advanced steroid-based research. It is primarily utilized by pharmaceutical manufacturers, research institutions, and fine chemical producers engaged in the development of hormonal therapies and other specialized medicinal products.

Application

• Pharmaceutical Intermediate: A critical building block in the synthesis of steroidal drugs and active pharmaceutical ingredients (APIs).
• Hormone Research: Used in biochemical and pharmacological research related to progestogens and hormone receptors.
• Reference Standard: Serves as a certified reference material (CRM) for analytical method development and quality control in pharmaceutical labs.
• Fine Chemical Synthesis: Employed in multi-step organic synthesis for creating novel steroid analogs and derivatives.

Basic Information

Product Name	5 α-Dihydronorethindrone
CAS No.	52-79-9
Molecular Formula	C₂₀H₂₈O₂
Molecular Weight	300.44 g/mol
Synonyms	19-Nor-17α-pregn-4-en-20-yn-3-one, 17α-Ethynyl-17β-hydroxy-19-norandrost-4-en-3-one, 5α-Dihydro-19-norethisterone, 5α-Dihydronorethindrone, 17α-Ethynyl-19-nortestosterone 5α-dihydro derivative, 5α-DHN, 5α-Dihydronorethisterone
EINECS	200-157-5

Quality Control

Our 5 α-Dihydronorethindrone is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation (IR, NMR), to ensure it meets stringent specifications for pharmaceutical intermediates. Certificates of Analysis (COA) detailing all test results are provided to guarantee traceability and batch-to-batch consistency.

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 reference spectrum
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.