Description

1-Ethyl-1H-Pyrazol-4-Amine Hydrochloride is a high-purity organic salt widely utilized as a critical building block in advanced chemical synthesis. This compound matters for its role as a versatile pyrazole-based intermediate, enabling the development of novel pharmaceuticals and agrochemicals. It is primarily needed by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors for creating active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key synthon in the research and production of novel drug candidates, particularly in kinase inhibitor and other small molecule therapeutic programs.
• Agrochemical Synthesis: Used in the development of next-generation pesticides, herbicides, and fungicides that require specific pyrazole motifs for bioactivity.
• Chemical Research & Development: Serves as a fundamental building block in organic synthesis for constructing complex heterocyclic compounds in academic and industrial labs.
• Material Science: Employed in the synthesis of specialty polymers, ligands for catalysis, and advanced organic electronic materials.
• Bioconjugation & Labeling: The amine functionality allows for its use in creating fluorescent probes, bioconjugates, and other diagnostic reagents.

Basic Information

Product Name	1-Ethyl-1H-Pyrazol-4-Amine Hydrochloride
CAS No.	948573-26-0
Molecular Formula	C5H10ClN3
Molecular Weight	147.61 g/mol
Synonyms	4-Amino-1-ethylpyrazole hydrochloride; 1-Ethyl-1H-pyrazol-4-amine hydrochloride; 1-Ethyl-4-aminopyrazole hydrochloride; 4-Amino-1-ethyl-1H-pyrazole HCl; 1-Ethyl-4-pyrazolamine hydrochloride; 1-Ethyl-1H-4-pyrazolamine hydrochloride; 4-Amino-1-ethylpyrazole HCl salt
EINECS	Contact for details

Quality Control

Our 1-Ethyl-1H-Pyrazol-4-Amine Hydrochloride is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and elemental analysis, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance protocols.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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