Description

4-Bromo-1-Methyl-1H-Pyrazol-5-Amine Hydrochloride (Wxc00586S1) is a high-purity, halogenated pyrazole derivative offered as a hydrochloride salt for enhanced stability and handling. This compound serves as a critical pharmaceutical intermediate and versatile organic building block for advanced chemical synthesis. It is essential for research and development teams in the pharmaceutical, agrochemical, and specialty chemical industries seeking to develop novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for kinase inhibitors and other small-molecule therapeutics.
• Agrochemical Synthesis: Building block for developing novel herbicides, fungicides, and insecticides with specific modes of action.
• Chemical Research & Development: Versatile scaffold for medicinal chemistry, enabling structure-activity relationship (SAR) studies and lead optimization.
• Material Science: Used in the development of advanced organic materials, including ligands for catalysis and functional polymers.
• Custom Synthesis: Starting material for contract research organizations (CROs) and CDMOs producing bespoke compounds for client projects.

Basic Information

Item	Details
Product Name	4-Bromo-1-Methyl-1H-Pyrazol-5-Amine Hydrochloride (Wxc00586S1)
CAS No.	1955541-03-3
Molecular Formula	C4H7BrClN3
Molecular Weight	212.47 g/mol
Synonyms	4-Bromo-1-methyl-1H-pyrazol-5-amine hydrochloride; 5-Amino-4-bromo-1-methylpyrazole hydrochloride; 1-Methyl-4-bromo-1H-pyrazol-5-amine HCl; 4-Bromo-1-methyl-5-amino-1H-pyrazole hydrochloride; Wxc00586S1; 4-Br-1-Me-1H-Pyrazol-5-NH2·HCl
EINECS	Contact for details

Quality Control

Every batch of 4-Bromo-1-Methyl-1H-Pyrazol-5-Amine Hydrochloride is produced under a strict quality management system. Our products undergo rigorous analytical testing, including HPLC, NMR, and mass spectrometry, to ensure compliance with exacting purity standards. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment and is available upon request.

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). This material is hygroscopic (moisture-sensitive); keep the container tightly sealed in a dry environment to prevent degradation.

Specification

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