Description

5-Isoxazolecarboxylicacid,3-Hydroxy-,Ethylester(8Ci,9Ci) CAS NO 13626-61-4 is a specialized heterocyclic building block featuring a functionalized isoxazole core. This compound is valued for its unique reactivity profile, serving as a versatile synthon in advanced organic synthesis. It is primarily sought after by research and development chemists in the pharmaceutical and agrochemical industries for constructing novel molecular architectures.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly those targeting neurological or anti-inflammatory pathways.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides, leveraging the bioactivity of the isoxazole moiety.
• Material Science: Acts as a monomer or functional additive in the creation of advanced polymers with specific optical or electronic properties.
• Chemical Synthesis: Serves as a versatile building block for constructing complex heterocyclic compounds in medicinal and process chemistry.
• Academic & Contract Research: Employed in university and CRO laboratories for exploratory research and method development in synthetic organic chemistry.

Basic Information

Product Name	5-Isoxazolecarboxylicacid,3-Hydroxy-,Ethylester(8Ci,9Ci)
CAS No.	13626-61-4
Molecular Formula	C7H7NO4
Molecular Weight	169.13 g/mol
Synonyms	Ethyl 3-hydroxy-5-isoxazolecarboxylate; 3-Hydroxy-5-isoxazolecarboxylic acid ethyl ester; 5-Ethoxycarbonyl-3-hydroxyisoxazole; 3-Hydroxyisoxazole-5-carboxylic acid ethyl ester; NSC 163063; Ethyl 3-hydroxy-1,2-oxazole-5-carboxylate
EINECS	Contact for details

Quality Control

Our production of 5-Isoxazolecarboxylicacid,3-Hydroxy-,Ethylester adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and NMR/IR for structural confirmation, to ensure consistency and reliability for your critical syntheses. Certificates of Analysis (COA) with full traceability are provided with every shipment.

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). Keep away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 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.