Description

3-Isoxazolecarboxylicacid,4,5-Dihydro-5-Nitro-,Ethylester(9Ci) is a specialized heterocyclic building block of significant interest in advanced organic synthesis. This compound matters as a key precursor for developing novel pharmacologically active molecules, particularly within the agrochemical and pharmaceutical research sectors. Industries involved in the synthesis of complex heterocycles, such as contract research organizations (CROs) and fine chemical manufacturers, require this high-purity intermediate for their R&D and scale-up processes.

Application

• Pharmaceutical Intermediate: Serves as a critical building block in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders or possessing anti-inflammatory activity.
• Agrochemical Research: Used in the development of new herbicides and insecticides, leveraging its nitro-substituted isoxazole core for bioactivity.
• Organic Synthesis Reagent: Acts as a versatile synthon for constructing complex nitrogen- and oxygen-containing heterocycles through cycloaddition and functional group transformation reactions.
• Material Science Precursor: Potential use in the development of specialty polymers and functional materials with unique electronic or photophysical properties.
• Academic & Industrial R&D: Essential for research laboratories and fine chemical companies exploring new chemical entities and reaction methodologies.

Basic Information

Product Name	3-Isoxazolecarboxylicacid,4,5-Dihydro-5-Nitro-,Ethylester(9Ci)
CAS No.	155088-39-4
Molecular Formula	C7H8N2O5
Molecular Weight	200.15 g/mol
Synonyms	Ethyl 4,5-dihydro-5-nitro-3-isoxazolecarboxylate; 4,5-Dihydro-5-nitro-3-isoxazolecarboxylic acid ethyl ester; 5-Nitro-4,5-dihydroisoxazole-3-carboxylic acid ethyl ester; 3-Carbethoxy-5-nitro-4,5-dihydroisoxazole; 5-Nitro-2-isoxazoline-3-carboxylic acid ethyl ester; Ethyl 5-nitro-4,5-dihydro-1,2-oxazole-3-carboxylate; 155088-39-4
EINECS	Contact for details

Quality Control

Our 3-Isoxazolecarboxylicacid,4,5-Dihydro-5-Nitro-,Ethylester(9Ci) is manufactured under strict quality protocols to ensure batch-to-batch consistency and high purity for research and development applications. All products undergo rigorous analytical testing, including HPLC, NMR, and mass spectrometry, to confirm identity and purity. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment to support your quality assurance requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). The compound may be sensitive to moisture and prolonged exposure to elevated temperatures.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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