Description

1H-Pyrazole-3,4-Diamine,5-Ethyl-(9Ci) is a high-purity, heterocyclic organic compound with the CAS number 199340-98-2, serving as a critical building block in advanced chemical synthesis. Its unique diamine-substituted pyrazole core makes it an invaluable intermediate for creating complex molecules with tailored properties. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries seeking to develop new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders, inflammation, and metabolic diseases.
• Agrochemical Synthesis: Used in the development of next-generation herbicides, fungicides, and plant growth regulators due to its bioactive pyrazole scaffold.
• Coordination Chemistry & Ligand Design: Acts as a versatile chelating ligand for transition metals, useful in catalysis and materials science applications.
• Dye & Pigment Manufacturing: Serves as a building block for creating heterocyclic dyes and organic pigments with specific colorfastness and stability properties.
• Polymer & Resin Modification: Incorporated as a functional monomer or cross-linking agent to enhance the thermal and mechanical properties of specialty polymers.
• Research & Development: A valuable tool for medicinal chemists and material scientists in academic and industrial R&D for exploring new chemical entities and reactions.

Basic Information

Item	Details
Product Name	1H-Pyrazole-3,4-Diamine,5-Ethyl-(9Ci)
CAS No.	199340-98-2
Molecular Formula	C5H10N4
Molecular Weight	126.16 g/mol
Synonyms	5-Ethyl-1H-pyrazole-3,4-diamine; 5-Ethyl-3,4-diaminopyrazole; 3,4-Diamino-5-ethyl-1H-pyrazole; 5-Ethyl-1H-pyrazole-3,4-diyldiamine; 199340-98-2; 5-Ethylpyrazole-3,4-diamine
EINECS	Contact for details

Quality Control

Our 1H-Pyrazole-3,4-Diamine,5-Ethyl-(9Ci) is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Production adheres to cGMP guidelines where applicable, and each lot is supported by a comprehensive Certificate of Analysis (COA). Our rigorous quality testing includes identity confirmation, purity assay, and impurity profiling to meet the exacting standards of our global clientele in advanced synthesis.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place 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. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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