Description

4-Aminoisoquinoline CAS NO 23687-25-4 is a versatile heterocyclic aromatic amine that serves as a critical building block in advanced organic synthesis. Its unique fused-ring structure with an exocyclic amino group makes it a valuable intermediate for constructing complex molecular architectures. This compound is primarily sought after by research institutions and pharmaceutical companies for the development of novel active pharmaceutical ingredients (APIs) and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of potential therapeutic agents, including kinase inhibitors and other biologically active molecules.
• Agrochemical Research: Used in the development of new pesticides and herbicides, leveraging its heterocyclic core for bioactivity.
• Material Science: Serves as a monomer or ligand in the creation of organic semiconductors, coordination polymers, and metal-organic frameworks (MOFs).
• Dye & Pigment Synthesis: Acts as a starting material for producing specialized heterocyclic dyes and colorants.
• Academic & R&D: Fundamental building block in medicinal chemistry and organic synthesis research for method development and library synthesis.
• Ligand in Catalysis: Utilized as a chelating ligand in transition metal catalysis for various coupling and transformation reactions.

Basic Information

Product Name	4-Aminoisoquinoline
CAS No.	23687-25-4
Molecular Formula	C9H8N2
Molecular Weight	144.17 g/mol
Synonyms	Isoquinolin-4-amine; 4-Isoquinolinamine; 4-Amino-isoquinoline; 1-Aza-2-naphthylamine; 4-Aminoisoquinoline; 4-Aminoisoquinoline base; 23687-25-4
EINECS	Contact for details

Quality Control

Our 4-Aminoisoquinoline is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods, to ensure it meets the high standards required for research and development applications. A detailed Certificate of Analysis (COA) is provided with every shipment, guaranteeing traceability and consistent quality.

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 prevent moisture absorption, which can affect product stability and performance.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%

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