Description

2-Bromo-1-(5-Methyl-1-Phenyl-1H-Pyrazol-4-Yl)-1-Ethanone CAS NO 137577-00-5 is a high-purity, specialized brominated ketone derivative that serves as a critical synthetic intermediate in advanced organic chemistry. Its core value lies in enabling the efficient construction of complex heterocyclic scaffolds, which are essential for developing novel bioactive molecules. This compound is primarily needed by research and development laboratories, as well as production facilities, in the pharmaceutical and agrochemical industries for the synthesis of new active ingredients.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders and inflammatory pathways.
• Agrochemical Research: Used in the development of new generation pesticides and herbicides, leveraging its pyrazole core structure.
• Material Science Chemistry: Serves as a precursor for functionalized organic materials and ligands for catalytic systems.
• Academic & Contract Research: Essential reagent in university and CRO settings for methodological studies in heterocyclic and medicinal chemistry.
• Custom Synthesis: Employed by fine chemical manufacturers for the bespoke production of complex molecules for client-specific projects.

Basic Information

Product Name	2-Bromo-1-(5-Methyl-1-Phenyl-1H-Pyrazol-4-Yl)-1-Ethanone
CAS No.	137577-00-5
Molecular Formula	C₁₂H₁₁BrN₂O
Molecular Weight	279.13 g/mol
Synonyms	2-Bromo-1-(5-methyl-1-phenyl-1H-pyrazol-4-yl)ethanone; 2-Bromo-1-(5-methyl-1-phenylpyrazol-4-yl)ethan-1-one; 2-Bromo-1-(5-methyl-1-phenyl-1H-pyrazol-4-yl)ethan-1-one; 4-Acetyl-5-methyl-1-phenylpyrazole, 2-bromo derivative; 137577-00-5; Ethanone, 2-bromo-1-(5-methyl-1-phenyl-1H-pyrazol-4-yl)-
EINECS	Contact for details

Quality Control

Every batch of 2-Bromo-1-(5-Methyl-1-Phenyl-1H-Pyrazol-4-Yl)-1-Ethanone undergoes rigorous analytical testing to ensure it meets the stringent purity and consistency requirements of advanced synthetic applications. Our quality assurance protocols are designed to support cGMP-compliant workflows where applicable. A comprehensive Certificate of Analysis (COA), detailing identity, purity (typically ≥97% by HPLC), and impurity profiles, is provided with each shipment to guarantee reliable performance in your critical reactions.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, containers should be amber-colored or stored in light-resistant secondary packaging.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
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.