Description

4-Chloro-2-(1-Methyl-1H-Pyrazol-5-Yl)Phenol is a high-purity, synthetically versatile aromatic compound featuring a phenol core substituted with a chlorinated pyrazole moiety. This unique heterocyclic structure makes it a valuable key intermediate in the synthesis of advanced agrochemicals and pharmaceuticals, where it serves as a crucial building block for active ingredients. It is primarily sought by R&D chemists and process development teams in the agrochemical, pharmaceutical, and specialty chemical industries for creating novel molecules with targeted biological activity.

Application

• Agrochemical Intermediate: A critical precursor in the synthesis of modern herbicides, fungicides, and insecticides, leveraging its heterocyclic structure for bioactivity.
• Pharmaceutical Building Block: Used in medicinal chemistry research for the development of new active pharmaceutical ingredients (APIs), particularly in scaffolds requiring chlorophenol and pyrazole motifs.
• Chemical Synthesis Reagent: Serves as a versatile intermediate in organic synthesis for creating complex molecules in academic and industrial research settings.
• Material Science Research: Investigated as a monomer or functional component in the development of specialty polymers and advanced organic materials.

Basic Information

Product Name	4-Chloro-2-(1-Methyl-1H-Pyrazol-5-Yl)Phenol
CAS No.	36141-23-8
Molecular Formula	C10H9ClN2O
Molecular Weight	208.65 g/mol
Synonyms	4-Chloro-2-(1-methyl-1H-pyrazol-5-yl)phenol; 2-(1-Methyl-1H-pyrazol-5-yl)-4-chlorophenol; 4-Chloro-2-(1-methylpyrazol-5-yl)phenol; Phenol, 4-chloro-2-(1-methyl-1H-pyrazol-5-yl)-; 1-Methyl-5-(5-chloro-2-hydroxyphenyl)pyrazole
EINECS	Contact for details

Quality Control

Our production of 4-Chloro-2-(1-Methyl-1H-Pyrazol-5-Yl)Phenol adheres to stringent internal quality standards to ensure batch-to-batch consistency and reliability for your synthetic processes. Each lot is characterized using advanced analytical techniques including HPLC, GC, and NMR to confirm identity and purity. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). This compound is easily oxidized; for long-term storage, consider keeping under an inert atmosphere such as nitrogen. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
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.