Description

Pyrazolo[1,5-B]Pyridazine-3-Carboxylic Acid Methyl Ester is a high-purity heterocyclic building block essential for advanced organic synthesis. This compound serves as a critical intermediate in the development of novel active pharmaceutical ingredients (APIs) and agrochemicals, enabling the construction of complex molecular architectures. It is primarily sought by research institutions and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for its versatile reactivity and role in creating new functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of potential drug candidates, particularly for central nervous system (CNS) and anti-inflammatory targets.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides with novel modes of action.
• Material Science: Serves as a building block for organic electronic materials, such as organic light-emitting diodes (OLEDs) and semiconductors.
• Chemical Biology: Employed as a scaffold or probe in the design of enzyme inhibitors and molecular tools for biological research.
• Custom Synthesis: Utilized by contract research and manufacturing organizations (CROs/CMOs) for client-specific projects requiring complex heterocyclic chemistry.

Basic Information

Item	Details
Product Name	Pyrazolo[1,5-B]Pyridazine-3-Carboxylic Acid Methyl Ester
CAS No.	53946-83-1
Molecular Formula	C9H7N3O2
Molecular Weight	189.17 g/mol
Synonyms	Methyl Pyrazolo[1,5-b]pyridazine-3-carboxylate; 3-Methoxycarbonylpyrazolo[1,5-b]pyridazine; Pyrazolo[1,5-b]pyridazine-3-carboxylic acid, methyl ester; 1H-Pyrazolo[1,5-b]pyridazine-3-carboxylic acid, methyl ester; Methyl 1H-pyrazolo[1,5-b]pyridazine-3-carboxylate; 53946-83-1
EINECS	Contact for details

Quality Control

Our Pyrazolo[1,5-B]Pyridazine-3-Carboxylic Acid Methyl Ester is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with each shipment, confirming compliance with customer specifications and industry best practices for fine chemical intermediates.

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. The product is light-sensitive and should be stored away from direct light exposure.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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