Description

4-Bromo-3-(Hydroxymethyl)-2-Methyl-1-Phenyl-3-Pyrazolin-5-One is a versatile brominated pyrazolone derivative that serves as a key synthetic intermediate in advanced organic chemistry. Its value lies in its functionalized structure, which allows for selective modifications, making it crucial for the development of novel active compounds. This product is primarily needed by research institutions and manufacturers in the pharmaceutical and agrochemical industries for applications in drug discovery and specialty chemical synthesis.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel drug candidates, particularly those targeting anti-inflammatory or analgesic pathways.
• Agrochemical Synthesis: Used in the research and development of new pesticides and herbicides, leveraging its reactive bromine and hydroxyl groups.
• Chemical Research: Serves as a versatile scaffold in academic and industrial R&D for exploring new heterocyclic compounds and reaction methodologies.
• Dye and Pigment Precursor: Can be utilized in the synthesis of specialized colorants and functional dyes due to its pyrazolone core.
• Material Science: Investigated as a monomer or additive for creating polymers with specific thermal or optical properties.

Basic Information

Product Name	4-Bromo-3-(Hydroxymethyl)-2-Methyl-1-Phenyl-3-Pyrazolin-5-One
CAS No.	81122-69-2
Molecular Formula	C11H11BrN2O2
Molecular Weight	283.12 g/mol
Synonyms	4-Bromo-3-(hydroxymethyl)-2-methyl-1-phenyl-1H-pyrazol-5(4H)-one; 4-Bromo-3-hydroxymethyl-2-methyl-1-phenyl-3-pyrazolin-5-one; 1-Phenyl-4-bromo-3-hydroxymethyl-2-methyl-3-pyrazolin-5-one; 4-Bromo-3-pyrazolone derivative; Antipyrine bromohydrin derivative; Contact for additional synonyms.
EINECS	Contact for details

Quality Control

Our 4-Bromo-3-(Hydroxymethyl)-2-Methyl-1-Phenyl-3-Pyrazolin-5-One is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity suitable for research and synthesis. 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 and fine chemical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at 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.

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%
Heavy Metals	≤ 20 ppm

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