Description

3(2H)-Isoquinolinone, 4-Methyl- is a heterocyclic organic compound belonging to the isoquinolinone class, serving as a versatile and high-value synthetic intermediate. Its core value lies in its rigid fused-ring structure and functional groups, which are pivotal for constructing complex molecules in advanced research and development. This compound is primarily needed by pharmaceutical R&D teams, agrochemical innovators, and specialty chemical manufacturers for applications in drug discovery and material science.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of potential active pharmaceutical ingredients (APIs), particularly for neurological and anti-infective agents.
• Agrochemical Research: Used in developing novel herbicides, fungicides, and plant growth regulators due to its bioactive scaffold.
• Organic Light-Emitting Diodes (OLEDs): Acts as a precursor for electron-transport materials or host materials in emissive layers.
• Ligand Synthesis in Catalysis: Employed to create specialized ligands for transition metal catalysts used in fine chemical synthesis.
• Fluorescent Dye & Sensor Development: Serves as a core structure for synthesizing new fluorescent probes and chemosensors.
• Academic & Industrial Research: A valuable reagent for methodological studies in organic chemistry and material science.

Basic Information

Product Name	3(2H)-Isoquinolinone, 4-Methyl-
CAS No.	7697-67-8
Molecular Formula	C₁₀H₉NO
Molecular Weight	159.18 g/mol
Synonyms	4-Methyl-3(2H)-isoquinolinone; 4-Methylisoquinolin-3(2H)-one; 4-Methyl-2,3-dihydroisoquinolin-3-one; 4-Methyl-1H-isoquinolin-3-one; 4-Methyl-3-isoquinolinol; 4-Methyl-3-hydroxyisoquinoline; NSC 403079; 4-Methylisoquinolone
EINECS	Contact for details

Quality Control

Our 3(2H)-Isoquinolinone, 4-Methyl- is produced under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity and NMR for structural confirmation, to ensure it meets the high standards required for research and development. Certificates of Analysis (COA) with detailed chromatographic data are available upon request to support your quality assurance protocols.

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 strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
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.