Description

4(1H)-Quinolinone, 3,3-Dichloro-2,3-Dihydro-2-Methoxy-5,7-Dimethyl-2-Phenyl- is a specialized, high-purity heterocyclic organic compound belonging to the quinolinone class. This chemical serves as a critical advanced pharmaceutical intermediate (API intermediate) and a versatile building block in sophisticated organic synthesis. It is primarily required by pharmaceutical R&D and fine chemical manufacturing sectors for developing novel active compounds.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, particularly in therapeutic areas targeting complex diseases.
• Agrochemical Research: Used as a core structure for developing new-generation pesticides and herbicides with specific modes of action.
• Material Science: Serves as a building block for creating specialized organic ligands, dyes, or functional polymers.
• Academic & Industrial R&D: Essential for methodological studies in organic chemistry, including catalysis and heterocyclic compound synthesis.
• Fine Chemical Synthesis: Employed in the multi-step production of complex, high-value specialty chemicals for various industrial applications.

Basic Information

Product Name	4(1H)-Quinolinone, 3,3-Dichloro-2,3-Dihydro-2-Methoxy-5,7-Dimethyl-2-Phenyl-
CAS No.	147779-32-6
Molecular Formula	C18H17Cl2NO2
Molecular Weight	350.24 g/mol
Synonyms	3,3-Dichloro-2-methoxy-5,7-dimethyl-2-phenyl-2,3-dihydroquinolin-4(1H)-one; 2,3-Dihydro-3,3-dichloro-2-methoxy-5,7-dimethyl-2-phenyl-4(1H)-quinolinone; 3,3-Dichloro-2-methoxy-5,7-dimethyl-2-phenyl-1,2-dihydro-4-quinolinone; 4(1H)-Quinolinone, 3,3-dichloro-2,3-dihydro-2-methoxy-5,7-dimethyl-2-phenyl-; 147779-32-6; Dichloromethoxy-dimethyl-phenyl-dihydroquinolinone
EINECS	Contact for details

Quality Control

Our production of this advanced intermediate adheres to strict quality management systems. Every batch is subjected to rigorous analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each 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 controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. The compound is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0% Any single impurity ≤ 1.0%
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.