Description

4-Isothiazolecarboxylicacid,3-Methyl-5-(Methylamino)-,Ethylester(7Ci,9Ci) CAS NO 90197-52-7 is a specialized heterocyclic building block of significant interest in advanced organic synthesis. Its value lies in its unique isothiazole core functionalized with both ester and methylamino groups, making it a versatile precursor for constructing complex molecular architectures. This compound is primarily needed by research and development chemists in the pharmaceutical and agrochemical industries for the development of novel active ingredients and fine chemicals.

Application

This functionalized isothiazole derivative serves as a key synthetic intermediate in several high-value research and industrial applications.

• Pharmaceutical Intermediate: Core building block for the synthesis of novel drug candidates, particularly those targeting neurological or anti-infective pathways.
• Agrochemical Research: Used in the development of new herbicides, fungicides, or insecticides, leveraging the bioactivity of the isothiazole moiety.
• Material Science Precursor: Potential monomer or functionalizing agent for creating specialty polymers with unique electronic or binding properties.
• Chemical Biology Probes: Useful for synthesizing labeled compounds or probes to study biological interactions and enzyme mechanisms.
• Ligand Synthesis: Serves as a starting material for creating complex chelating agents or catalysts in asymmetric synthesis.

Basic Information

Product Name	4-Isothiazolecarboxylicacid,3-Methyl-5-(Methylamino)-,Ethylester(7Ci,9Ci)
CAS No.	90197-52-7
Molecular Formula	C8H12N2O2S
Molecular Weight	200.26 g/mol
Synonyms	Ethyl 3-methyl-5-(methylamino)isothiazole-4-carboxylate; 3-Methyl-5-(methylamino)-4-isothiazolecarboxylic acid ethyl ester; 4-Isothiazolecarboxylic acid, 3-methyl-5-(methylamino)-, ethyl ester; 90197-52-7; AI3-52200; Ethyl 3-methyl-5-methylaminoisothiazole-4-carboxylate; SCHEMBL2185301; CTK8G8123; ZINC000095049716; MolPort-002-783-947
EINECS	Contact for details

Quality Control

Our products undergo rigorous quality testing to ensure compliance with industry standards. We employ advanced analytical techniques including HPLC, GC, NMR, and mass spectrometry to verify identity, purity, and consistency for every batch. Certificates of Analysis (COA) detailing all specifications are available upon request, supporting your quality assurance and regulatory documentation needs.

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 strong bases and incompatible organic solvents. For long-term storage, consider inert gas purging to maximize stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 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.