Description

Despropoxy Ethoxy Udenafil is a high-purity pharmaceutical intermediate and research chemical. This compound is of significant interest for its role in the synthesis of advanced active pharmaceutical ingredients (APIs) targeting specific therapeutic pathways. It is primarily utilized by pharmaceutical R&D laboratories, contract manufacturing organizations (CMOs), and fine chemical producers engaged in developing novel therapeutic agents.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of Udenafil and related PDE5 inhibitor analogs.
• Research & Development: Used in medicinal chemistry for structure-activity relationship (SAR) studies and new drug discovery programs.
• Reference Standard: Serves as a certified reference material (CRM) for analytical method development and quality control in API manufacturing.
• Process Chemistry: Employed in scaling up and optimizing synthetic routes for cost-effective and compliant API production.
• Academic Research: Utilized in university and institutional labs for pharmacological and biochemical studies.

Basic Information

Item	Detail
Product Name	Despropoxy Ethoxy Udenafil
CAS No.	268204-07-5
Molecular Formula	C25H34N6O4S
Molecular Weight	514.64 g/mol
Synonyms	1-[[3-(6,7-Dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)-4-ethoxyphenyl]sulfonyl]-4-methylpiperazine; DA-8159 Metabolite; Despropyl Udenafil; Udenafil Impurity; Udenafil Related Compound; 5-(2-Ethoxy-5-((4-methylpiperazin-1-yl)sulfonyl)phenyl)-1-methyl-3-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one
EINECS	Contact for details

Quality Control

Our Despropoxy Ethoxy Udenafil is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, NMR, and MS, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all test results are provided and can be tailored to meet specific client or regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a 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 powder
Identification (HPLC)	Conforms
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0% Any single impurity ≤ 1.0%
Residual Solvents (GC)	Meets ICH Q3C guidelines
Loss on Drying	≤ 0.5%

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