Description

5-(6-Chloropyridazin-3-Yl)-2-Ethyl-n-Methylbenzenesulfonamide is a high-purity, advanced pharmaceutical intermediate with a CAS number of 1119425-87-4. This compound is valued for its role as a critical building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly in therapeutic areas requiring complex heterocyclic scaffolds. It is primarily sought by research institutions and manufacturers in the pharmaceutical and agrochemical industries for developing next-generation small-molecule drugs and crop protection agents.

Application

• Pharmaceutical Intermediate: A key precursor in the research and synthesis of novel drug candidates, especially for central nervous system (CNS) and metabolic disorder targets.
• Agrochemical Research: Serves as a core structure for developing new herbicides and insecticides with specific modes of action.
• Chemical Biology Probe Development: Used in academic and industrial R&D to create tool compounds for studying biological pathways and target validation.
• Custom Synthesis & Contract Manufacturing: Supplied to CDMOs (Contract Development and Manufacturing Organizations) for scale-up and GMP production of client-specific molecules.
• Material Science Research: Investigated as a potential monomer or additive for creating specialty polymers with unique electronic or thermal properties.

Basic Information

Product Name	5-(6-Chloropyridazin-3-Yl)-2-Ethyl-n-Methylbenzenesulfonamide
CAS No.	1119425-87-4
Molecular Formula	C13H14ClN3O2S
Molecular Weight	311.79 g/mol
Synonyms	5-(6-Chloro-3-pyridazinyl)-2-ethyl-N-methylbenzenesulfonamide; 2-Ethyl-5-(6-chloropyridazin-3-yl)-N-methylbenzenesulfonamide; Benzenesulfonamide, 5-(6-chloro-3-pyridazinyl)-2-ethyl-N-methyl-; 1119425-87-4; 5-(6-Chloropyridazin-3-yl)-2-ethyl-N-methyl-benzenesulfonamide
EINECS	Contact for details

Quality Control

Our 5-(6-Chloropyridazin-3-Yl)-2-Ethyl-n-Methylbenzenesulfonamide is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC, NMR, and MS, to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with each shipment, documenting critical parameters such as assay purity and impurity profiles. Our quality commitment supports compliance with cGMP and ISO standards for pharmaceutical intermediates.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). This compound is moisture-sensitive (hygroscopic); keep the container tightly sealed under an inert atmosphere (e.g., nitrogen or argon) for long-term storage to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (HPLC)	Conforms
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm
Single Unknown Impurity (HPLC)	≤ 0.5%
Total Impurities (HPLC)	≤ 2.0%

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