Description

4'-Bromo-3'-Methylacetophenone is a versatile brominated aromatic ketone building block, essential for advanced organic synthesis. Its molecular structure, featuring both a bromine substituent and a methyl group on the acetophenone core, makes it a critical intermediate for constructing complex molecules with high precision. This compound is primarily sought after by research institutions and manufacturers in the pharmaceutical and agrochemical sectors for developing active ingredients and novel chemical entities.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of various active pharmaceutical ingredients (APIs), particularly those requiring a bromo-methyl acetophenone moiety.
• Agrochemical Synthesis: Used in the development of herbicides, fungicides, and other crop protection agents.
• Liquid Crystal & OLED Material Research: Serves as a building block for advanced organic electronic materials and display technologies.
• Organic Synthesis & Catalysis: A valuable reagent in cross-coupling reactions (e.g., Suzuki, Heck) and other metal-catalyzed transformations.
• Fine Chemical Production: Employed in the manufacture of dyes, pigments, and other specialty chemicals.
• Academic & R&D Laboratories: Used as a standard or starting material for methodological studies and novel compound library development.

Basic Information

Product Name	4'-Bromo-3'-Methylacetophenone
CAS No.	37074-40-1
Molecular Formula	C9H9BrO
Molecular Weight	213.07 g/mol
Synonyms	1-(4-Bromo-3-methylphenyl)ethanone; 3'-Methyl-4'-bromoacetophenone; 4-Bromo-3-methylacetophenone; 4'-Bromo-3'-methylacetophenone; p-Bromo-m-methylacetophenone; 1-Acetyl-4-bromo-3-methylbenzene; 4-Bromo-3-methylphenyl methyl ketone
EINECS	Contact for details

Quality Control

Our 4'-Bromo-3'-Methylacetophenone is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistent performance. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with agreed specifications. We support cGMP and ISO standards for pharmaceutical and industrial applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, prolonged exposure to light should be avoided.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
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.