Description

5-Isothiazolecarbonitrile,3-Amino-4-Ethoxy-,1,1-Dioxide(9Ci) is a high-purity, specialized heterocyclic building block with the CAS number 85194-90-7. This compound is valued for its unique molecular architecture, which makes it a critical intermediate in advanced organic synthesis and pharmaceutical research. It is primarily sought after by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for constructing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders and infectious diseases.
• Agrochemical Research: Used in the development of new-generation herbicides, fungicides, and insecticides, leveraging its heterocyclic core for bioactivity.
• Specialty Chemical Synthesis: Serves as a precursor for dyes, pigments, and advanced polymers requiring specific electronic or photophysical properties.
• Material Science: Investigated for use in organic electronics and as a ligand or modifier in catalytic systems.
• Academic & Contract Research: Essential for methodological studies and discovery chemistry in university and CRO (Contract Research Organization) laboratories.

Basic Information

Product Name	5-Isothiazolecarbonitrile,3-Amino-4-Ethoxy-,1,1-Dioxide(9Ci)
CAS No.	85194-90-7
Molecular Formula	C6H7N3O3S
Molecular Weight	201.20 g/mol
Synonyms	3-Amino-4-ethoxy-1,2,5-thiadiazole 1,1-dioxide-5-carbonitrile; 3-Amino-4-ethoxyisothiazole-5-carbonitrile 1,1-dioxide; 4-Ethoxy-3-aminoisothiazole-5-carbonitrile 1,1-dioxide; 5-Cyano-3-amino-4-ethoxyisothiazole 1,1-dioxide; 85194-90-7; 3-Amino-4-ethoxyisothiazole-5-carbonitrile S,S-dioxide
EINECS	Contact for details

Quality Control

Every batch of 5-Isothiazolecarbonitrile,3-Amino-4-Ethoxy-,1,1-Dioxide(9Ci) is produced and tested under strict quality management protocols to ensure consistency and purity for research and development applications. Our products undergo rigorous quality testing to ensure compliance with industry standards. Certificates of Analysis (COA) are available upon request, detailing key parameters such as purity, identity, and impurity profile.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This material is moisture-sensitive (hygroscopic); keep the container tightly sealed under an inert atmosphere if specified. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
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.