Description

3-Ethyl-1,2,3,4-Tetrahydroisoquinolin-1-One is a versatile heterocyclic organic compound belonging to the tetrahydroisoquinolinone class, serving as a crucial building block in advanced organic synthesis. Its value lies in its functionalized core structure, which is pivotal for constructing complex molecules with targeted biological or material properties. This high-purity intermediate is primarily needed by pharmaceutical R&D teams and fine chemical manufacturers engaged in developing new active pharmaceutical ingredients (APIs), agrochemicals, and specialty materials.

Application

• Pharmaceutical Intermediate: A key synthon in the research and development of novel drug candidates, particularly for central nervous system (CNS) and other therapeutic agents.
• Agrochemical Synthesis: Used in the production of advanced pesticides and herbicides, where the tetrahydroisoquinolinone scaffold imparts specific biological activity.
• Material Science Research: Employed as a precursor for developing organic ligands, catalysts, or functional polymers with specialized properties.
• Academic & Industrial R&D: Serves as a standard or custom building block for methodological studies and library synthesis in medicinal and process chemistry.
• Fine Chemical Production: Integral to the multi-step synthesis of complex, high-value specialty chemicals for various industrial applications.

Basic Information

Product Name	3-Ethyl-1,2,3,4-Tetrahydroisoquinolin-1-One
CAS No.	112794-32-8
Molecular Formula	C₁₁H₁₃NO
Molecular Weight	175.23 g/mol
Synonyms	3-Ethyl-3,4-dihydro-1H-isoquinolin-1-one; 3-Ethyl-1,2,3,4-tetrahydroisoquinolin-1-one; 3-Ethyl-1-oxo-1,2,3,4-tetrahydroisoquinoline; 1(2H)-Isoquinolinone, 3-ethyl-3,4-dihydro-; 3-Ethyl-3,4-dihydroisoquinolin-1(2H)-one
EINECS	Contact for details

Quality Control

Our 3-Ethyl-1,2,3,4-Tetrahydroisoquinolin-1-One is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity suitable for sensitive synthesis. We provide comprehensive Certificates of Analysis (COA) with each batch, detailing key parameters such as assay, identity, and impurity profiles. Our quality commitment aligns with cGMP principles where applicable, supporting its use in regulated research and development pipelines.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at controlled room temperature (typically 15-25°C). Keep away from incompatible materials such as strong oxidizing agents. For long-term storage, consider an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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