Description

2-Ethyl-5-Hydroxyisoquinolin-1(2H)-One is a high-purity, specialized heterocyclic organic compound with the CAS registry number 1105194-22-6. This molecule serves as a critical advanced pharmaceutical intermediate and a versatile building block for complex organic synthesis. It is primarily utilized by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and material science sectors for developing novel active ingredients and functional molecules.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders and other therapeutic areas.
• Agrochemical Research: Used as a building block for developing new pesticides, herbicides, and plant growth regulators with specific biological activity.
• Organic Light-Emitting Diode (OLED) Materials: Serves as a core structure or dopant in the development of electron-transport or emissive layers for advanced display technologies.
• Coordination Chemistry & Ligand Synthesis: The hydroxy and carbonyl groups make it a suitable candidate for creating chelating ligands for metal catalysts and complexes.
• Academic & Contract Research: Employed in universities and CROs (Contract Research Organizations) for methodological studies and the discovery of new chemical entities.
• Fine Chemical Synthesis: A versatile scaffold for constructing more complex nitrogen-containing heterocycles of commercial interest.

Basic Information

Product Name	2-Ethyl-5-Hydroxyisoquinolin-1(2H)-One
CAS No.	1105194-22-6
Molecular Formula	C11H11NO2
Molecular Weight	189.21 g/mol
Synonyms	5-Hydroxy-2-ethyl-1,2-dihydroisoquinolin-1-one; 2-Ethyl-5-hydroxy-1,2-dihydroisoquinolin-1-one; 2-Ethyl-5-hydroxy-1H-isoquinolin-1-one; 1(2H)-Isoquinolinone, 2-ethyl-5-hydroxy-; 1105194-22-6; 2-Ethyl-5-hydroxyisoquinolin-1-one; 5-Hydroxy-2-ethylisoquinolin-1(2H)-one
EINECS	Contact for details

Quality Control

Our 2-Ethyl-5-Hydroxyisoquinolin-1(2H)-One is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. We provide Certificates of Analysis (COA) with detailed specifications for all critical parameters. Our quality commitment aligns with cGMP principles where applicable, ensuring reliability for your most demanding research and development projects.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). This compound is light-sensitive and should be handled under appropriate conditions to maintain stability.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (HPLC)	Conforms to reference standard
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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