Description

2-(4-Quinolyl)Malondialdehyde Sesquihydrate is a specialized organic compound featuring a quinoline moiety linked to a malondialdehyde group, supplied as a sesquihydrate. This compound serves as a valuable advanced chemical intermediate and building block in synthetic organic chemistry, particularly for the construction of complex heterocyclic systems. It is primarily utilized by pharmaceutical R&D and fine chemical synthesis laboratories engaged in developing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel quinoline-based drug candidates with potential biological activity.
• Fine Chemical Synthesis: Building block for creating complex heterocyclic compounds used in agrochemicals and material science.
• Research & Development: Essential reagent in academic and industrial research for studying reaction mechanisms and developing new synthetic methodologies.
• Ligand and Chelator Precursor: Used in the development of specialized ligands for metal catalysis or diagnostic agents.
• Fluorescent Probe Development: Potential starting material for synthesizing organic dyes and sensors due to the conjugated quinoline-aldehyde structure.

Basic Information

Product Name	2-(4-Quinolyl)Malondialdehyde Sesquihydrate
CAS No.	40070-86-8
Molecular Formula	C₁₂H₉NO₃ • 1.5H₂O
Molecular Weight	240.23 g/mol (Anhydrous basis)
Synonyms	2-(Quinolin-4-yl)malonaldehyde Sesquihydrate; 4-Quinolinecarboxaldehyde, 2-formyl-; 2-Formyl-4-quinolinecarboxaldehyde Sesquihydrate; 2-(4-Quinolyl)propanedial Sesquihydrate; Malondialdehyde, 2-(4-quinolyl)-, Sesquihydrate; 40070-86-8; 2-(4-Quinolinyl)malondialdehyde Hemihydrate (common misnomer)
EINECS	Contact for details

Quality Control

Our 2-(4-Quinolyl)Malondialdehyde Sesquihydrate is manufactured under strict quality management protocols. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing purity, assay, and impurity profiles are provided and available upon request, supporting your quality assurance and regulatory documentation needs.

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 tightly sealed after opening to minimize exposure to atmospheric humidity.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	9.0 - 12.0% (Theoretical for Sesquihydrate: ~10.1%)
Related Substances (HPLC)	Total impurities ≤ 5.0%
Residue on Ignition	≤ 0.5%

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