Description

Pyrazol-5-Ol, 4-Amino-3-Methyl-1-p-Tolyl- (8Ci) is a specialized pyrazole derivative with a CAS number of 802824-99-3. This compound serves as a critical pharmaceutical intermediate and organic synthesis building block, valued for its unique heterocyclic structure. It is primarily utilized by research institutions and manufacturers in the pharmaceutical and agrochemical sectors for developing new active ingredients.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders.
• Agrochemical Synthesis: Building block for developing advanced pesticides and herbicides with specific biological activity.
• Chemical Research: Used in academic and industrial R&D for exploring new heterocyclic chemistry and reaction pathways.
• Dye & Pigment Intermediate: Serves as a starting material for synthesizing specialized azo dyes and colorants.
• Coordination Chemistry: Potential ligand for metal complexes in catalytic and material science applications.

Basic Information

Item	Details
Product Name	Pyrazol-5-Ol, 4-Amino-3-Methyl-1-p-Tolyl- (8Ci)
CAS No.	802824-99-3
Molecular Formula	C11H13N3O
Molecular Weight	203.24 g/mol
Synonyms	4-Amino-3-methyl-1-p-tolyl-1H-pyrazol-5-ol; 4-Amino-3-methyl-1-(4-methylphenyl)-1H-pyrazol-5-ol; 1-(4-Methylphenyl)-4-amino-3-methyl-1H-pyrazol-5-ol; 4-Amino-1-p-tolyl-3-methyl-1H-pyrazol-5-ol; 4-Amino-3-methyl-1-(p-tolyl)pyrazol-5-ol; 802824-99-3; 4-Amino-3-methyl-1-(4-methylphenyl)-1,2-dihydropyrazol-5-one (tautomer)
EINECS	Contact for details

Quality Control

Our Pyrazol-5-Ol, 4-Amino-3-Methyl-1-p-Tolyl- (8Ci) is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, identity, and impurity profiles. Our quality system is designed to meet the stringent requirements of pharmaceutical intermediate production and advanced chemical synthesis.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Off-white to light yellow 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%
Single Unknown Impurity	≤ 0.5%

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