Description

U 19963 CAS NO 404-52-4 is a high-purity chemical intermediate with a defined molecular structure, identified by CAS No. 404-52-4. This compound is valued for its role as a versatile building block in advanced organic synthesis, enabling the production of complex molecules. It is primarily sought after by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors for developing new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of novel active pharmaceutical ingredients (APIs) and fine chemicals.
• Agrochemical Synthesis: Used in the research and development of advanced herbicides, fungicides, and plant growth regulators.
• Material Science Research: Acts as a monomer or cross-linking agent in the development of specialty polymers and advanced materials.
• Organic Synthesis: Employed in academic and industrial laboratories for constructing complex heterocyclic compounds and other organic frameworks.
• Chemical Research: Utilized as a standard or reagent in method development and analytical chemistry studies.

Basic Information

Product Name	U 19963
CAS No.	404-52-4
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	U-19963; 1,3-Dioxolane-2,4-dione, 5-methyl-; 5-Methyl-1,3-dioxolane-2,4-dione; Methyl oxirane-2,3-dicarboxylate cyclic anhydride; (Potential structure-based names)
EINECS	Contact for details

Quality Control

Our U 19963 is produced under a rigorous quality management system. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. A Certificate of Analysis (COA) detailing specifications such as assay, impurity profile, and physical characteristics is provided with every shipment to guarantee it meets your research or production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from incompatible materials such as strong acids, bases, and oxidizing agents. The container must be kept tightly sealed to prevent moisture absorption.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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