Description

4‐Chloro‐3‐Methyl‐1H,2H,3H‐Pyrrolo[2,3‐B]Pyridin‐2‐One is a high-value, heterocyclic organic compound featuring a fused pyrrolopyridine core structure. This molecule serves as a critical building block (advanced intermediate) in modern synthetic chemistry, enabling the construction of complex pharmacophores. It is primarily sought after by pharmaceutical R&D and fine chemical synthesis teams for developing novel active ingredients.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of targeted small-molecule drugs, particularly in oncology and CNS research.
• Agrochemical Research: Used in developing new active ingredients for crop protection with specific modes of action.
• Material Science: Serves as a monomer or functional unit in the creation of specialty polymers and organic electronic materials.
• Chemical Biology: Employed as a molecular probe or scaffold in the study of biological pathways and protein interactions.
• Academic & Contract Research: Essential for methodological development and novel synthetic route exploration in university and CRO laboratories.

Basic Information

Product Name	4‐Chloro‐3‐Methyl‐1H,2H,3H‐Pyrrolo[2,3‐B]Pyridin‐2‐One
CAS No.	1818847-33-4
Molecular Formula	C8H7ClN2O
Molecular Weight	182.61 g/mol
Synonyms	4-Chloro-3-methyl-1H,2H,3H-pyrrolo[2,3-b]pyridin-2-one; 4-Chloro-3-methyl-2,3-dihydro-1H-pyrrolo[2,3-b]pyridin-2-one; 3-Methyl-4-chloro-1H-pyrrolo[2,3-b]pyridin-2(3H)-one; 4-Chloro-3-methyl-3H-pyrrolo[2,3-b]pyridin-2-one; 1818847-33-4; Pyrrolo[2,3-b]pyridin-2-one, 4-chloro-3-methyl-1H,2H,3H-
EINECS	Contact for details

Quality Control

Our 4‐Chloro‐3‐Methyl‐1H,2H,3H‐Pyrrolo[2,3‐B]Pyridin‐2‐One is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical characterization, including HPLC, NMR, and MS, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided and 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 controlled room temperature (15-25°C). Keep away from incompatible materials. 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
Identification (HPLC)	Conforms to reference
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Single Unknown Impurity (HPLC)	≤ 0.5%
Total Impurities (HPLC)	≤ 2.0%

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