Description

3H-Cyclopenta[C]Quinoline-4,8-Dicarboxylic Acid, 3A,4,5,9B-Tetrahydro- is a high-purity, advanced pharmaceutical intermediate with a complex polycyclic 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 architectures. It is primarily sought by research institutions and manufacturers in the pharmaceutical and fine chemical industries engaged in drug discovery and process development.

Application

• Pharmaceutical Intermediate: A key precursor in the multi-step synthesis of complex drug candidates, especially those targeting central nervous system (CNS) disorders or oncological pathways.
• Organic Light-Emitting Diode (OLED) Research: Serves as a potential electron-transport or host material due to its rigid, conjugated quinoline-based structure for advanced display technologies.
• Ligand Synthesis in Catalysis: Used to develop novel chiral or polydentate ligands for asymmetric catalysis and metal-organic frameworks (MOFs).
• Fluorescent Probe & Dye Development: Acts as a core structure for creating specialized fluorescent markers and dyes used in bio-imaging and analytical chemistry.
• Academic & Industrial R&D: Employed in fundamental research to explore new chemical reactions and the properties of fused polycyclic heteroaromatic systems.

Basic Information

Product Name	3H-Cyclopenta[C]Quinoline-4,8-Dicarboxylic Acid, 3A,4,5,9B-Tetrahydro-
CAS No.	353484-21-6
Molecular Formula	C15H13NO4
Molecular Weight	271.27 g/mol
Synonyms	3a,4,5,9b-Tetrahydro-3H-cyclopenta[c]quinoline-4,8-dicarboxylic acid; 4,8-Cyclopenta[c]quinolinedicarboxylic acid, 3a,4,5,9b-tetrahydro-; Tetrahydrocyclopentaquinolinedicarboxylic acid; CAS 353484-21-6
EINECS	Contact for details

Quality Control

Every batch of 3H-Cyclopenta[C]Quinoline-4,8-Dicarboxylic Acid, 3A,4,5,9B-Tetrahydro- is manufactured under a strict quality management system. We provide comprehensive analytical documentation, including a detailed Certificate of Analysis (COA) with HPLC purity, identity confirmation (IR, NMR), and impurity profile. Our quality protocols are designed to meet the stringent requirements of cGMP for pharmaceutical intermediates and support regulatory filings.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	< 10 ppm

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