Description

3-Isobutyl-1H-Pyrazole-5-Carboxylic Acid (Saltdata: 0.25H2O) is a high-purity pyrazole carboxylic acid derivative, serving as a critical building block in advanced organic synthesis. Its value lies in providing a functionalized heterocyclic core essential for constructing complex molecules with targeted biological or material properties. This compound is primarily needed by research and development teams in the pharmaceutical, agrochemical, and specialty chemical industries for use as a key intermediate in active ingredient discovery and process development.

Application

• Pharmaceutical Intermediate: A key synthon for the development of novel active pharmaceutical ingredients (APIs), particularly in medicinal chemistry programs targeting various therapeutic areas.
• Agrochemical Synthesis: Used in the research and production of advanced crop protection agents, including herbicides, fungicides, and insecticides.
• Ligand and Catalyst Development: Serves as a precursor for creating specialized ligands used in catalytic systems and metal-organic frameworks (MOFs).
• Chemical Research: Employed in academic and industrial R&D for exploring new heterocyclic chemistry and synthesizing libraries of compounds for screening.
• Material Science Precursor: Potential use in the synthesis of organic electronic materials or polymers with specific functional properties.

Basic Information

Product Name	3-Isobutyl-1H-Pyrazole-5-Carboxylic Acid (Saltdata: 0.25H2O)
CAS No.	890591-01-2
Molecular Formula	C8H12N2O2 • 0.25H2O
Molecular Weight	~171.68 g/mol (anhydrous basis)
Synonyms	1H-Pyrazole-5-carboxylic acid, 3-(2-methylpropyl)-, hydrate (1:0.25); 3-(2-Methylpropyl)-1H-pyrazole-5-carboxylic acid hydrate; 3-Isobutyl-1H-pyrazole-5-carboxylic acid hemihydrate; 5-Carboxy-3-isobutylpyrazole; Isobutylpyrazolecarboxylic acid; Pyrazole-5-carboxylic acid, 3-isobutyl- derivative
EINECS	Contact for details

Quality Control

Our 3-Isobutyl-1H-Pyrazole-5-Carboxylic Acid (Saltdata: 0.25H2O) is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting standards for research and development use. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee traceability and consistency.

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). This product is hygroscopic (moisture-sensitive); ensure the container is sealed immediately after use to minimize exposure to atmospheric humidity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	2.0% - 4.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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