Description

6-(1-Ethylpyrazol-3-Yl)-3-Methyl-Isoxazolo[5,4-B]Pyridine-4-Carboxylic Acid is a high-purity, advanced pharmaceutical intermediate with the CAS registry number 1170052-42-2. This heterocyclic compound is valued for its complex molecular architecture, which makes it a critical building block in modern medicinal chemistry research and development. It is primarily sought after by R&D teams and process chemists in the pharmaceutical and agrochemical industries for the synthesis of novel active ingredients.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly in oncology and central nervous system (CNS) therapeutic areas.
• Medicinal Chemistry Research: Used as a sophisticated scaffold for structure-activity relationship (SAR) studies and lead optimization in drug discovery programs.
• Agrochemical Development: Serves as a building block for creating new active ingredients with potential herbicidal or insecticidal properties.
• Chemical Biology Probes: Utilized in the development of molecular probes for studying biological pathways and target validation.
• Custom Synthesis & Contract Manufacturing: Supplied to CDMOs (Contract Development and Manufacturing Organizations) for custom synthesis projects requiring high-complexity heterocycles.

Basic Information

Product Name	6-(1-Ethylpyrazol-3-Yl)-3-Methyl-Isoxazolo[5,4-B]Pyridine-4-Carboxylic Acid
CAS No.	1170052-42-2
Molecular Formula	C15H14N4O3
Molecular Weight	298.30 g/mol
Synonyms	6-(1-Ethyl-1H-pyrazol-3-yl)-3-methyl-[1,2]oxazolo[5,4-b]pyridine-4-carboxylic acid; 3-Methyl-6-(1-ethyl-1H-pyrazol-3-yl)[1,2]oxazolo[5,4-b]pyridine-4-carboxylic acid; Isoxazolo[5,4-b]pyridine-4-carboxylic acid, 6-(1-ethyl-1H-pyrazol-3-yl)-3-methyl-; 1170052-42-2
EINECS	Contact for details

Quality Control

Every batch of 6-(1-Ethylpyrazol-3-Yl)-3-Methyl-Isoxazolo[5,4-B]Pyridine-4-Carboxylic Acid is manufactured under strict quality management systems. We provide comprehensive analytical data to ensure the material meets the stringent requirements for pharmaceutical R&D. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available for all shipments, supporting regulatory submissions and process consistency.

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). The compound is light-sensitive and should be handled and stored away from strong acids and organic solvents. Keep the container tightly sealed to protect from moisture.

Specification

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