Description

Asischem C39820 is a high-purity chemical compound identified by CAS No. 66373-33-9. This product is valued for its consistent quality and reliability, which are critical for demanding industrial and research applications. It is essential for manufacturers and R&D facilities in sectors such as pharmaceuticals, agrochemicals, and specialty chemical synthesis.

Application

This versatile chemical intermediate serves a wide range of industrial processes. Key application areas include:

• Pharmaceutical Synthesis: As a key building block or intermediate in the production of active pharmaceutical ingredients (APIs).
• Agrochemical Manufacturing: Used in the synthesis of advanced crop protection agents and herbicides.
• Fine Chemical Production: Serves as a precursor for dyes, pigments, and other specialty organic compounds.
• Material Science Research: Employed in the development of novel polymers and advanced functional materials.
• Academic & Industrial R&D: A valuable reagent for method development and exploratory chemical synthesis.

Basic Information

Product Name	Asischem C39820
CAS No.	66373-33-9
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	1,3-Benzenedicarboxylic acid, 5-sulfo-, 1,3-dimethyl ester; Dimethyl 5-sulfoisophthalate; 5-Sulfoisophthalic acid dimethyl ester; Dimethyl 5-sulfonatoisophthalate; Sulfoisophthalic acid dimethyl ester; CAS 66373-33-9; C39820
EINECS	Contact for details

Quality Control

Our products undergo rigorous quality testing to ensure compliance with industry standards. Every batch is analyzed to confirm identity, purity, and consistency. Certificates of Analysis (COA) are available upon request, detailing the specific results for each lot. We adhere to a quality management system to guarantee the reliability of our supply chain.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature. Due to its hygroscopic nature, it is crucial to protect the material from moisture exposure. Keep the container tightly sealed when not in use to maintain product integrity.

Specification

Item	Specification
Appearance	White to off-white powder/crystalline solid
Identification (IR)	Conforms to standard
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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