Description

5-Amino 1H-Indazole-4-Carboxylic Acid Methyl Ester is a high-purity, versatile heterocyclic building block essential for advanced organic synthesis. This compound matters as a critical intermediate in the development of novel active pharmaceutical ingredients (APIs) and functional materials. It is primarily needed by research institutions and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of kinase inhibitors, anticancer agents, and other biologically active heterocyclic compounds.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and plant growth regulators.
• Material Science: Serves as a building block for organic semiconductors, dyes, and photoactive materials.
• Academic & Contract Research: Employed in medicinal chemistry programs and for structure-activity relationship (SAR) studies.
• Custom Synthesis: A starting material for the contract manufacturing of complex, proprietary molecules for clients.

Basic Information

Product Name	5-Amino 1H-Indazole-4-Carboxylic Acid Methyl Ester
CAS No.	78416-43-0
Molecular Formula	C9H9N3O2
Molecular Weight	191.19 g/mol
Synonyms	Methyl 5-amino-1H-indazole-4-carboxylate; 5-Amino-1H-indazole-4-carboxylic acid methyl ester; 1H-Indazole-4-carboxylic acid, 5-amino-, methyl ester; 4-Carbomethoxy-5-aminoindazole; 5-Aminoindazole-4-carboxylic acid methyl ester
EINECS	Contact for details

Quality Control

Our 5-Amino 1H-Indazole-4-Carboxylic Acid Methyl Ester is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for research and synthesis. Certificates of Analysis (COA) detailing all specifications are available upon request.

Storage

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

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
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.