Description

Benzoyl Chloride, 2-Methoxy-4-Methyl- (9Ci) is a specialized aromatic acid chloride derivative, serving as a high-value chemical intermediate. Its core value proposition lies in its unique substitution pattern, which enables precise molecular modifications in complex organic syntheses. This compound is primarily needed by R&D chemists and process development teams in the pharmaceutical, agrochemical, and advanced material sectors for constructing novel active ingredients and functional molecules.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel active pharmaceutical ingredients (APIs), particularly those requiring a substituted benzoyl moiety.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators.
• Dye and Pigment Manufacturing: Serves as a precursor for specialized azo dyes and high-performance pigments.
• Polymer Chemistry: Acts as a monomer or modifying agent in the synthesis of specialty polymers and liquid crystal materials.
• Organic Synthesis Reagent: Employed in research laboratories for Friedel-Crafts acylation and other reactions to introduce the 2-methoxy-4-methylbenzoyl group.
• Flavor and Fragrance Industry: Potential intermediate for the synthesis of certain aromatic compounds used in specialty fragrances.

Basic Information

Item	Details
Product Name	Benzoyl Chloride, 2-Methoxy-4-Methyl- (9Ci)
CAS No.	51671-69-3
Molecular Formula	C9H9ClO2
Molecular Weight	184.62 g/mol
Synonyms	2-Methoxy-4-methylbenzoyl chloride; 4-Methyl-2-methoxybenzoyl chloride; 2-Methoxy-p-toluoyl chloride; o-Methoxy-p-toluoyl chloride; (2-Methoxy-4-methylphenyl)carbonyl chloride; 51671-69-3 (CAS); Benzoyl chloride, 2-methoxy-4-methyl-
EINECS	Contact for details

Quality Control

Our Benzoyl Chloride, 2-Methoxy-4-Methyl- (9Ci) is produced under stringent quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the exacting standards required for advanced synthetic applications. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong bases, alcohols, and oxidizing agents. Due to its nature as a strong acid/organic solvent, containers must be kept tightly sealed to prevent moisture absorption and decomposition. Recommended storage temperature is 2-8°C for long-term stability.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 2.0%

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