Description

5-Ethyl-4,5,6,7-tetrahydro-2H-indazole-3-carboxylic acid is a versatile heterocyclic building block of significant interest in advanced organic synthesis. This compound matters for its role as a key intermediate in the development of novel pharmaceutical agents, particularly in medicinal chemistry research. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and fine chemical industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: Serves as a critical precursor in the synthesis of active pharmaceutical ingredients (APIs), especially those targeting central nervous system (CNS) disorders and inflammatory pathways.
• Medicinal Chemistry Research: Used as a scaffold for designing and synthesizing novel drug candidates in high-throughput screening and lead optimization programs.
• Agrochemical Synthesis: Employed in the development of new herbicides, fungicides, and plant growth regulators due to its unique indazole core structure.
• Fine Chemical Production: Acts as a building block for creating specialty chemicals, dyes, and advanced materials with specific functional properties.
• Contract Research & Manufacturing (CRAM): Supplied to organizations engaged in custom synthesis and process development for client-specific projects.
• Academic Research: Utilized in university and institutional laboratories for studying heterocyclic chemistry, reaction mechanisms, and new synthetic methodologies.

Basic Information

Product Name	5-Ethyl-4,5,6,7-tetrahydro-2H-indazole-3-carboxylic acid
CAS No.	856437-81-5
Molecular Formula	C10H14N2O2
Molecular Weight	194.23 g/mol
Synonyms	5-Ethyl-4,5,6,7-tetrahydro-1H-indazole-3-carboxylic acid; 5-Ethyl-4,5,6,7-tetrahydro-2H-indazole-3-carboxylic acid; 5-Ethyl-4,5,6,7-tetrahydroindazole-3-carboxylic acid; 3-Carboxy-5-ethyl-4,5,6,7-tetrahydroindazole; 5-Ethyl-4,5,6,7-tetrahydro-2H-indazol-3-carboxylic acid; 5-Ethyl-4,5,6,7-tetrahydro-1H-indazol-3-carboxylic acid; 856437-81-5; 5-Ethyl-4,5,6,7-tetrahydroindazole-3-carboxylic acid
EINECS	Contact for details

Quality Control

Our 5-Ethyl-4,5,6,7-tetrahydro-2H-indazole-3-carboxylic acid is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, identity, and impurity profiles. Our quality systems are designed to meet the stringent requirements of pharmaceutical R&D and cGMP environments where applicable.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%

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