Description

3,4-Dihydroisoquinoline is a versatile heterocyclic organic compound that serves as a crucial synthetic intermediate in advanced organic chemistry. Its unique fused ring structure makes it a valuable building block for constructing complex molecular architectures, particularly in the pharmaceutical sector. This compound is essential for researchers and manufacturers developing active pharmaceutical ingredients (APIs), agrochemicals, and specialty fine chemicals, where precise molecular control is paramount.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of various alkaloids and biologically active compounds, including potential candidates for central nervous system (CNS) and cardiovascular drugs.
• Agrochemical Synthesis: Used in the research and development of novel pesticides and herbicides, leveraging its heterocyclic core for bioactivity.
• Fine Chemical Production: Serves as a fundamental building block for creating complex dyes, pigments, and other specialty organic materials.
• Academic & Industrial Research: A valuable reagent in medicinal chemistry and organic synthesis laboratories for method development and novel compound library generation.
• Ligand and Catalyst Development: Utilized in the preparation of nitrogen-containing ligands for coordination chemistry and catalytic applications.

Basic Information

Product Name	3,4-Dihydroisoquinoline
CAS No.	3230-65-7
Molecular Formula	C9H9N
Molecular Weight	131.18 g/mol
Synonyms	1,2-Dihydroisoquinoline; 3,4-Dihydro-2H-isoquinoline; Isoquinoline, 1,2-dihydro-; DHIQ; 2H-Isoquinoline, 3,4-dihydro-; 1,2,3,4-Tetrahydroisoquinoline (note: this is a related, fully saturated compound, often a common confusion)
EINECS	221-771-6

Quality Control

Our 3,4-Dihydroisoquinoline is produced under strict quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is subjected to comprehensive analytical testing, including chromatographic purity assays and identity confirmation. A Certificate of Analysis (COA) detailing all specifications and test results is provided with every shipment to support 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 area at room temperature (typically 15-25°C). Due to its light-sensitive nature, prolonged exposure to direct light should be avoided. Keep the container tightly sealed when not in use to prevent contamination and moisture uptake.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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