Description

4-Methoxybenzoyl Chloride is a versatile and highly reactive aromatic acid chloride derivative. This compound serves as a critical building block in organic synthesis, enabling the efficient introduction of the 4-methoxybenzoyl moiety into target molecules. It is essential for manufacturers and R&D laboratories in the pharmaceutical, agrochemical, and specialty chemical industries seeking to develop new active ingredients and advanced materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of various active pharmaceutical ingredients (APIs), including analgesics, anti-inflammatory agents, and other therapeutic compounds.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and plant growth regulators where the anisoyl group is a functional component.
• Dye and Pigment Manufacturing: Acts as an intermediate for creating specific azo dyes and complex colorants.
• Polymer Chemistry: Employed as a monomer or modifying agent in the synthesis of specialty polymers and liquid crystals.
• Organic Synthesis Reagent: A fundamental reagent for Friedel-Crafts acylation, esterification, and amidation reactions in research and development.
• Perfume and Flavor Ingredient Synthesis: Used in the controlled synthesis of fragrance and flavor molecules.

Basic Information

Product Name	4-Methoxybenzoyl Chloride
CAS No.	100-07-2
Molecular Formula	C8H7ClO2
Molecular Weight	170.59 g/mol
Synonyms	p-Anisoyl Chloride; 4-Anisoyl Chloride; p-Methoxybenzoyl Chloride; Anisoyl Chloride; 4-Methoxybenzenecarbonyl Chloride; 4-Methoxybenzene-1-carbonyl Chloride; NSC 406916
EINECS	202-814-8

Quality Control

Our 4-Methoxybenzoyl Chloride is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements for use as a fine chemical intermediate. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from heat and incompatible materials such as strong bases, alcohols, and water. Due to its moisture-sensitive (hygroscopic) nature, containers should be kept tightly sealed under an inert atmosphere (e.g., nitrogen) for long-term storage to maintain product integrity. Recommended storage temperature: 2-8°C.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%

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