Description

2,3-Dihydro-2-Methyl-3-Oxo-1H-Indazole-1-Carboxylic Acid Ethyl Ester is a versatile and high-value heterocyclic building block, primarily serving as a key intermediate in advanced organic synthesis. Its indazole core structure makes it particularly valuable for constructing complex molecules with targeted biological activity. This compound is essential for research and development chemists in the pharmaceutical and agrochemical sectors who require reliable, high-purity intermediates for lead optimization and process development.

Application

• Pharmaceutical Intermediate: A critical precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders, inflammation, and oncology.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides, leveraging its heterocyclic scaffold for bioactivity.
• Chemical Synthesis Building Block: Employed in academic and industrial R&D for constructing complex indazole-containing libraries for high-throughput screening.
• Material Science Research: Investigated as a monomer or functional additive for specialty polymers and advanced organic materials.

Basic Information

Product Name	2,3-Dihydro-2-Methyl-3-Oxo-1H-Indazole-1-Carboxylic Acid Ethyl Ester
CAS No.	1848-42-6
Molecular Formula	C11H12N2O3
Molecular Weight	220.23 g/mol
Synonyms	Ethyl 2,3-dihydro-2-methyl-3-oxo-1H-indazole-1-carboxylate; 1H-Indazole-1-carboxylic acid, 2,3-dihydro-2-methyl-3-oxo-, ethyl ester; Ethyl 2-methyl-3-oxo-2,3-dihydro-1H-indazole-1-carboxylate; 2-Methyl-3-oxo-2,3-dihydro-1H-indazole-1-carboxylic acid ethyl ester; 1-Carbethoxy-2-methyl-3-indazolinone; 2-Methyl-1-carbethoxy-3-indazolinone; 1848-42-6.
EINECS	Contact for details

Quality Control

Our 2,3-Dihydro-2-Methyl-3-Oxo-1H-Indazole-1-Carboxylic Acid Ethyl Ester is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and IR spectroscopy, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with every shipment, detailing all relevant specifications. Our commitment to quality supports your R&D and scale-up processes with reliable, traceable materials.

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 incompatible materials such as strong oxidizing agents, strong acids, and strong bases. The container should be kept tightly sealed to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
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.