Description

5-Methyl-1H-Pyrazol-3-Ol is a versatile heterocyclic building block with significant utility in advanced organic synthesis. This compound is valued for its role as a key precursor in the development of pharmaceuticals, agrochemicals, and functional materials. It is primarily sought by research institutions and industrial manufacturers in the life sciences and specialty chemical sectors for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: A crucial synthon for the synthesis of active pharmaceutical ingredients (APIs), particularly in drug discovery programs targeting various therapeutic areas.
• Agrochemical Synthesis: Used in the research and production of novel pesticides, herbicides, and plant growth regulators.
• Coordination Chemistry & Ligand Design: Serves as a precursor for designing polydentate ligands used in catalysis and material science.
• Dye & Pigment Manufacturing: Acts as an intermediate in the synthesis of specialized dyes and organic pigments.
• Research & Development: Employed in academic and industrial R&D for methodological studies and the development of new synthetic routes.
• Fine Chemical Production: Utilized in the manufacture of other high-value, complex fine chemicals and specialty additives.

Basic Information

Product Name	5-Methyl-1H-Pyrazol-3-Ol
CAS No.	145091-87-8
Molecular Formula	C₄H₆N₂O
Molecular Weight	98.10 g/mol
Synonyms	3-Hydroxy-5-methyl-1H-pyrazole; 5-Methyl-1H-pyrazol-3-ol; 5-Methyl-3-pyrazolol; 3-Hydroxy-5-methylpyrazole; 5-Methyl-3-hydroxypyrazole; 5-Methylpyrazol-3-ol; 1H-Pyrazol-3-ol, 5-methyl-
EINECS	Contact for details

Quality Control

Our 5-Methyl-1H-Pyrazol-3-Ol is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing specifications and test results are provided and available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area. Due to its hygroscopic nature, the container should be kept tightly sealed under an inert atmosphere (e.g., nitrogen) for long-term storage to prevent moisture absorption. Recommended storage temperature: 2-8°C for extended stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
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.