Description

3,4-Dimethoxybenzoic Acid Anhydride is a versatile chemical intermediate characterized by its anhydride functional group flanked by methoxy substituents. This compound matters for its role as a key building block in the synthesis of more complex molecules, offering a reactive site for the introduction of the 3,4-dimethoxybenzoyl moiety. It is needed by research and development laboratories, pharmaceutical manufacturers, and fine chemical producers engaged in creating active pharmaceutical ingredients (APIs), agrochemicals, and advanced organic materials.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of various drug candidates and active pharmaceutical ingredients (APIs), particularly those requiring the veratric acid (3,4-dimethoxybenzoic acid) skeleton.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and other crop protection agents where the dimethoxybenzene structure imparts specific biological activity.
• Fine Chemical Production: Serves as a building block for dyes, pigments, liquid crystals, and other specialty organic compounds.
• Polymer Chemistry: Can be employed as a monomer or modifier in the synthesis of specialty polymers, such as polyimides or polyesters, to alter material properties.
• Research & Development: Utilized in academic and industrial R&D for method development, library synthesis, and exploring new chemical entities.
• Flavor and Fragrance Industry: Acts as an intermediate for synthesizing certain aroma chemicals and fragrance components.

Basic Information

Product Name	3,4-Dimethoxybenzoic Acid Anhydride
CAS No.	24824-54-2
Molecular Formula	C18H18O7
Molecular Weight	346.33 g/mol
Synonyms	Veratric Anhydride; 3,4-Dimethoxybenzoic Anhydride; Bis(3,4-dimethoxybenzoyl) Anhydride; Di(3,4-dimethoxybenzoyl) Anhydride; Veratroyl Anhydride; 3,4-Dimethoxybenzoyl Anhydride; Anhydride of 3,4-Dimethoxybenzoic Acid
EINECS	Contact for details

Quality Control

Our 3,4-Dimethoxybenzoic Acid Anhydride is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure it meets high-purity standards suitable for research and industrial synthesis. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); ensure the container is sealed tightly after each use to prevent degradation by atmospheric moisture.

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	≤ 1.0%
Residue on Ignition	≤ 0.1%

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