Description

A 503 CAS NO 134404-00-5 is a specialized chemical intermediate known for its unique reactivity profile. This compound is critical for facilitating complex synthetic pathways in advanced manufacturing processes, offering high selectivity and yield. It is primarily sought after by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors for developing novel active ingredients and functional compounds.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel active pharmaceutical ingredients (APIs) and drug candidates.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and plant growth regulators.
• Material Science Research: Serves as a precursor in the development of specialty polymers and functional organic materials.
• Fine Chemical Production: Employed in multi-step organic synthesis for creating complex molecules in laboratory and pilot-scale operations.
• Chemical Research & Development: A valuable reagent for methodological studies and exploring new chemical reactions in academic and industrial R&D.

Basic Information

Item	Detail
Product Name	A 503
CAS No.	134404-00-5
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	A-503; A503; 1,3,2-Dioxathiolane 2,2-dioxide, 4-(chloromethyl)-; 4-(Chloromethyl)-1,3,2-dioxathiolane 2,2-dioxide; 4-Chloromethyl-1,3,2-dioxathiolane-2,2-dioxide; 4-(Chloromethyl)-1,3,2-dioxathiolane-2,2-dioxide; (Chloromethyl)ethylene sulfate
EINECS	Contact for details

Quality Control

Every batch of A 503 (CAS 134404-00-5) is produced and tested under a strict quality management system to ensure high purity, consistency, and traceability. Our quality control protocols are designed to meet the rigorous demands of research and industrial synthesis. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to guarantee reliable performance in your applications.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry, and well-ventilated place. Recommended storage temperature is 2-8°C for long-term stability. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Water Content (KF)	≤ 0.5%

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