Description

1H-Cyclopenta[C]Pyridin-1-One,5-Ethyl-2,5,6,7-Tetrahydro-5-Hydroxy-7-Methoxy-(9Ci) is a high-purity, advanced pharmaceutical intermediate with a complex bicyclic structure. This compound is valued for its role as a critical building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly in therapeutic areas requiring sophisticated molecular scaffolds. It is primarily utilized by research institutions and pharmaceutical manufacturers engaged in the development of new chemical entities and complex organic syntheses.

Application

• Pharmaceutical Intermediate: A key precursor in the multi-step synthesis of proprietary drug candidates and novel APIs.
• Organic Synthesis Building Block: Used in research laboratories for constructing complex heterocyclic compounds and exploring new reaction pathways.
• Medicinal Chemistry Research: Serves as a core scaffold for structure-activity relationship (SAR) studies and lead optimization in drug discovery programs.
• Contract Manufacturing: Supplied to CDMOs (Contract Development and Manufacturing Organizations) for cGMP production of clinical trial materials.
• Academic Research: Utilized in university and institutional labs for methodological development and the study of fused-ring systems.

Basic Information

Product Name	1H-Cyclopenta[C]Pyridin-1-One,5-Ethyl-2,5,6,7-Tetrahydro-5-Hydroxy-7-Methoxy-(9Ci)
CAS No.	340268-55-5
Molecular Formula	C11H17NO3
Molecular Weight	211.26 g/mol
Synonyms	5-Ethyl-5-hydroxy-7-methoxy-2,5,6,7-tetrahydro-1H-cyclopenta[c]pyridin-1-one; 5-Ethyl-2,5,6,7-tetrahydro-5-hydroxy-7-methoxy-1H-cyclopenta[c]pyridin-1-one; 1H-Cyclopenta[c]pyridin-1-one, 5-ethyl-2,5,6,7-tetrahydro-5-hydroxy-7-methoxy- (9CI); 340268-55-5; 5-Ethyl-5-hydroxy-7-methoxy-1,2,5,6,7,7a-hexahydrocyclopenta[c]pyridin-1-one
EINECS	Contact for details

Quality Control

Every batch of this advanced intermediate is produced and tested under a strict quality management system. We provide comprehensive Certificates of Analysis (COA) that detail purity, identity, and impurity profiles, ensuring traceability and consistency for your critical research and development projects. Our quality commitment aligns with the standards expected for GMP-grade intermediates used in pharmaceutical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (typically 15-25°C). Keep away from incompatible materials. For long-term storage, consider an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0% Any single impurity ≤ 0.5%
Residual Solvents (GC)	Complies with 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.