Description

1,3-Dihydro-1,3-Dioxo-2H-Isoindole-2-Sulfinothioic Acid S-Isopropyl Ester is a specialized organosulfur compound belonging to the phthalimide class, valued for its role as a key synthetic intermediate and functional group transfer agent. Its unique structure makes it a versatile building block for constructing complex molecules in advanced chemical synthesis. This product is essential for research and development chemists and process engineers in the pharmaceutical, agrochemical, and specialty chemical industries seeking to introduce specific sulfur-containing functionalities.

Application

• Pharmaceutical Intermediate: A critical precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly those containing sulfonamide or thioester moieties.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and insecticides where the isoindole-1,3-dione core imparts specific biological activity.
• Polymer Chemistry: Serves as a monomer or functionalization agent for creating specialty polymers with enhanced thermal stability or specific surface properties.
• Material Science Research: Employed in the development of organic electronic materials, dyes, and pigments due to its electron-accepting characteristics.
• Chemical Biology & Proteomics: Acts as a reagent for protein labeling or as a scaffold in the design of enzyme inhibitors and molecular probes.
• Cross-Coupling Reactions: Functions as a substrate or ligand in palladium-catalyzed cross-coupling reactions for C-S bond formation.

Basic Information

Product Name	1,3-Dihydro-1,3-Dioxo-2H-Isoindole-2-Sulfinothioic Acid S-Isopropyl Ester
CAS No.	42300-60-7
Molecular Formula	C11H11NO3S2
Molecular Weight	269.34 g/mol
Synonyms	Isopropyl Phthalimide-2-sulfinothioate; S-Isopropyl 1,3-Dioxo-1,3-dihydro-2H-isoindole-2-carbothioate; 2-[(Isopropylsulfinyl)thio]-1H-isoindole-1,3(2H)-dione; Phthalimide-2-sulfinothioic Acid S-Isopropyl Ester; N-(Isopropylsulfinylthio)phthalimide; 2-(Isopropylsulfinylthio)isoindoline-1,3-dione
EINECS	Contact for details

Quality Control

Our production of 1,3-Dihydro-1,3-Dioxo-2H-Isoindole-2-Sulfinothioic Acid S-Isopropyl Ester adheres to stringent in-process controls and final batch testing to ensure consistent purity and performance. Each lot is analyzed via HPLC, NMR, and IR spectroscopy to confirm identity and assay. Certificates of Analysis (COA) detailing all specifications are provided with every shipment to support your quality management systems and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider maintaining the material under an inert atmosphere to preserve stability.

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	≤ 20 ppm

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