Description

4-Acetoxy-3,5-Dimethoxybenzoyl Chloride is a high-purity, reactive benzoyl chloride derivative used as a critical building block in advanced organic synthesis. Its value lies in providing a protected phenolic acid chloride functionality, enabling efficient acylation reactions under controlled conditions. This compound is essential for researchers and manufacturers in the pharmaceutical and fine chemical industries, particularly for developing active pharmaceutical ingredients (APIs) and complex specialty molecules.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates and active pharmaceutical ingredients (APIs).
• Fine Chemical Synthesis: Building block for creating complex organic molecules, dyes, and liquid crystals.
• Agrochemical Research: Used in developing advanced herbicides, fungicides, and plant growth regulators.
• Polymer Chemistry: Monomer or modifier for specialty polymers and high-performance resins.
• Academic & R&D: Essential reagent in university and industrial research laboratories for methodological studies.
• Peptide Coupling Agent: Facilitates the formation of amide bonds in peptide synthesis and bioconjugation.

Basic Information

Product Name	4-Acetoxy-3,5-Dimethoxybenzoyl Chloride
CAS No.	39657-47-1
Molecular Formula	C11H11ClO5
Molecular Weight	258.65 g/mol
Synonyms	3,5-Dimethoxy-4-acetoxybenzoyl chloride; 4-(Acetyloxy)-3,5-dimethoxybenzoyl chloride; Acetylsyringoyl chloride; Syringic acid acetate chloride; 4-Acetyloxysyringoyl chloride; 3,5-Dimethoxy-4-hydroxybenzoic acid acetate chloride; 4-Acetoxy-3,5-dimethoxybenzoic acid chloride
EINECS	Contact for details

Quality Control

Our 4-Acetoxy-3,5-Dimethoxybenzoyl Chloride is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation (IR, NMR), to ensure it meets the stringent requirements of our global clientele. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and reacts with strong acids/organic solvents; keep the container tightly sealed under an inert atmosphere (e.g., nitrogen or argon) for long-term stability. Keep away from heat, open flames, and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Melting Point	Contact for details

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