Description

2,3,5,6-Tetrachloro-4-(Methylthio)Carbonylbenzenecarboxylic Acid Methyl Ester is a high-purity, multi-functional chlorinated aromatic ester compound. This specialty chemical serves as a critical advanced intermediate in the synthesis of complex molecules, valued for its unique substitution pattern and reactivity. It is primarily required by pharmaceutical, agrochemical, and material science research and development teams for creating novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of complex drug candidates and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the research and production of advanced herbicides, fungicides, and plant growth regulators.
• Material Science Research: Serves as a monomer or precursor for developing specialty polymers and advanced organic materials.
• Chemical Research & Development: A versatile intermediate for organic synthesis, particularly in introducing the tetrachloro-methylthiocarbonyl moiety.
• Dye and Pigment Intermediate: Potential use in the synthesis of specialized colorants and photographic chemicals.

Basic Information

Product Name	2,3,5,6-Tetrachloro-4-(Methylthio)Carbonylbenzenecarboxylic Acid Methyl Ester
CAS No.	3765-57-9
Molecular Formula	C10H6Cl4O3S
Molecular Weight	356.03 g/mol
Synonyms	Methyl 2,3,5,6-tetrachloro-4-[(methylthio)carbonyl]benzoate; Tetrachlorothiophthalic Acid Methyl Ester Methylthio Derivative; 4-(Methoxycarbonyl)-2,3,5,6-tetrachlorobenzenecarbothioic Acid S-Methyl Ester; Benzoic acid, 2,3,5,6-tetrachloro-4-[(methylthio)carbonyl]-, methyl ester; Methyl 2,3,5,6-tetrachloro-4-(methylthiocarbonyl)benzoate
EINECS	Contact for details

Quality Control

Our production of 2,3,5,6-Tetrachloro-4-(Methylthio)Carbonylbenzenecarboxylic Acid Methyl Ester adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided with each shipment to support your quality assurance and regulatory compliance requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); ensure the container is kept tightly sealed to prevent degradation from 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	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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