Description

2-Methyl-2H-Indazole-3-Carbonyl Chloride is a high-purity, reactive chemical intermediate essential for advanced organic synthesis. This compound matters for its role as a key building block in the creation of complex, nitrogen-containing heterocyclic structures. It is primarily needed by research institutions and pharmaceutical companies engaged in the development of novel active pharmaceutical ingredients (APIs) and agrochemicals.

Application

• Pharmaceutical Intermediate: A critical precursor in the synthesis of drug candidates, particularly those targeting neurological disorders and oncology.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides with novel modes of action.
• Material Science: Serves as a monomer or functionalization agent for creating specialty polymers and advanced materials.
• Chemical Synthesis: Employed in academic and industrial R&D for constructing complex indazole-based molecular scaffolds.
• Ligand & Catalyst Development: Useful for synthesizing specialized ligands used in catalytic processes and metal-organic frameworks (MOFs).

Basic Information

Product Name	2-Methyl-2H-Indazole-3-Carbonyl Chloride
CAS No.	181071-92-1
Molecular Formula	C9H7ClN2O
Molecular Weight	194.62 g/mol
Synonyms	2-Methyl-2H-indazole-3-carbonyl chloride; 2-Methyl-1H-indazole-3-carbonyl chloride; 1-Methyl-1H-indazole-3-carbonyl chloride; 3-Carboxy-2-methyl-2H-indazole chloride; 181071-92-1; 2-Methylindazole-3-carbonyl chloride; 2-Methyl-2H-indazole-3-carboxylic acid chloride
EINECS	Contact for details

Quality Control

Our 2-Methyl-2H-Indazole-3-Carbonyl Chloride is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC and NMR, to ensure high purity and consistency. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles 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, well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, containers must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation. Keep away from strong acids and incompatible organic solvents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 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.