Description

4-Methyl-3,4-Dihydro-2H-Isoquinolin-1-One is a versatile heterocyclic organic compound that serves as a critical building block in advanced chemical synthesis. Its unique isoquinolinone scaffold makes it a valuable intermediate for developing pharmaceuticals, agrochemicals, and functional materials. This high-purity compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries seeking to create novel active ingredients and complex molecular architectures.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of potential drug candidates, particularly those targeting central nervous system (CNS) disorders, due to its privileged isoquinolinone structure.
• Agrochemical Synthesis: Used in the research and development of new pesticides and herbicides, where its heterocyclic core can contribute to biological activity.
• Organic Light-Emitting Diodes (OLEDs): Serves as a building block for electron-transporting or host materials in the manufacture of advanced display and lighting technologies.
• Ligand and Catalyst Development: Employed in organometallic chemistry to create novel ligands for catalysis and metal-organic frameworks (MOFs).
• Dye and Pigment Manufacturing: Acts as an intermediate for synthesizing specialized dyes, pigments, and optical brighteners.
• Academic and Industrial R&D: A fundamental reagent for methodological studies in organic chemistry and for exploring new reaction pathways.

Basic Information

Product Name	4-Methyl-3,4-Dihydro-2H-Isoquinolin-1-One
CAS No.	70079-42-4
Molecular Formula	C10H11NO
Molecular Weight	161.20 g/mol
Synonyms	4-Methyl-1,2,3,4-tetrahydroisoquinolin-1-one; 4-Methyl-3,4-dihydro-1(2H)-isoquinolinone; 4-Methyl-1-oxo-1,2,3,4-tetrahydroisoquinoline; 4-Methyl-3,4-dihydroisoquinolin-1(2H)-one; 1(2H)-Isoquinolinone, 3,4-dihydro-4-methyl-; 4-Methyl-1,2,3,4-tetrahydroisoquinoline-1-one
EINECS	Contact for details

Quality Control

Our 4-Methyl-3,4-Dihydro-2H-Isoquinolin-1-One is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistent performance. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are available for every shipment to support your quality assurance and regulatory needs.

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). Keep away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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