Description

4-Hydroxyisoquinoline is a versatile heterocyclic building block and key synthetic intermediate prized for its unique chemical structure. This compound matters for its role in constructing complex molecules, particularly in the development of active pharmaceutical ingredients (APIs) and advanced organic materials. Industries that need it include pharmaceutical R&D, agrochemical synthesis, and academic research focused on medicinal chemistry and material science.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of various drug candidates, particularly those targeting neurological and oncological pathways.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and plant growth regulators.
• Ligand and Chelating Agent: Serves as a building block for creating complexing agents in catalytic systems and metal-organic frameworks (MOFs).
• Organic Electronic Materials: Investigated as a component in the development of organic light-emitting diodes (OLEDs) and other electronic materials due to its conjugated system.
• Fluorescent Probe Development: Utilized in research to create sensitive fluorescent markers and sensors for biological and chemical detection.
• Academic & Industrial Research: A fundamental reagent for method development, heterocyclic chemistry studies, and exploring new synthetic routes.

Basic Information

Item	Details
Product Name	4-Hydroxyisoquinoline
CAS No.	33364-92-0
Molecular Formula	C9H7NO
Molecular Weight	145.16 g/mol
Synonyms	Isoquinolin-4-ol; 4-Isoquinolinol; 4-Quinolinol, 1,2-Benzolog; 4-Hydroxy-2-azanaphthalene; 1-Azanaphthalen-4-ol; 4-Quinolone (tautomeric form); 4(1H)-Isoquinolinone
EINECS	Contact for details

Quality Control

Our 4-Hydroxyisoquinoline is produced under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation by IR and NMR spectroscopy, to ensure it meets exacting standards for research and industrial use. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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