Description

m-(4,5-Dihydro-3-Methyl-1H-Pyrazol-1-Yl)Benzenesulphonic Acid CAS NO 85554-80-9 is a specialized organic sulfonic acid derivative, valued for its role as a versatile chemical intermediate and building block in advanced synthesis. Its molecular structure, featuring a pyrazoline ring, makes it a critical precursor for developing high-value compounds in regulated industries. This product is essential for research institutions and manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors seeking to develop new active ingredients or functional materials.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders or possessing anti-inflammatory properties.
• Agrochemical Synthesis: Serves as a precursor for developing advanced herbicides, fungicides, and plant growth regulators with enhanced efficacy and selectivity.
• Dye and Pigment Manufacturing: Used in the production of specialized azo dyes and organic pigments, contributing to color fastness and stability.
• Polymer Modification: Acts as a functional monomer or additive to introduce sulfonic acid groups into polymers, enhancing properties like hydrophilicity or ion-exchange capacity.
• Chemical Research & Development: A valuable reagent for academic and industrial R&D in organic chemistry, medicinal chemistry, and material science.
• Ligand and Catalyst Preparation: Utilized in the design of complexing agents or organocatalysts for asymmetric synthesis and other catalytic processes.

Basic Information

Item	Detail
Product Name	m-(4,5-Dihydro-3-Methyl-1H-Pyrazol-1-Yl)Benzenesulphonic Acid
CAS No.	85554-80-9
Molecular Formula	C10H12N2O3S
Molecular Weight	240.28 g/mol
Synonyms	3-(4,5-Dihydro-3-methyl-1H-pyrazol-1-yl)benzenesulfonic acid; 1-(3-Sulfophenyl)-3-methyl-4,5-dihydro-1H-pyrazole; m-(3-Methyl-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonic acid; 3-Methyl-1-(3-sulfophenyl)-4,5-dihydro-1H-pyrazole; Benzenesulfonic acid, m-(4,5-dihydro-3-methyl-1H-pyrazol-1-yl)-; 85554-80-9; 3-(3-Methyl-4,5-dihydropyrazol-1-yl)benzenesulfonic acid
EINECS	Contact for details

Quality Control

Our production of m-(4,5-Dihydro-3-Methyl-1H-Pyrazol-1-Yl)Benzenesulphonic Acid adheres to stringent quality management protocols to ensure batch-to-batch consistency and reliability for your critical processes. Each lot undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy. Certificates of Analysis (COA) documenting all relevant specifications are provided with every shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Due to its strong acid/organic solvent nature, keep away from incompatible materials such as strong bases, oxidizing agents, and reactive metals. The container must be kept tightly sealed to protect the product from moisture absorption.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm
Related Substances (HPLC)	Total impurities ≤ 2.0%

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