Description

5H-[1,2]Benzisothiazolo[2,3-A]Quinazolin-5-One is a high-purity, fused heterocyclic organic compound of significant interest in advanced chemical synthesis. This specialized intermediate is valued for its unique molecular scaffold, which is crucial for developing novel active ingredients in the pharmaceutical and agrochemical sectors. It is primarily sought by research institutions and industrial R&D departments focused on creating new therapeutic agents and crop protection solutions.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of novel drug candidates, particularly for central nervous system (CNS) and anti-inflammatory targets.
• Agrochemical Research: Used in the development of new pesticides and herbicides, leveraging its complex heterocyclic structure for biological activity.
• Organic Synthesis & Material Science: Acts as a precursor for synthesizing more complex heterocyclic systems and specialty organic materials.
• Academic & Industrial R&D: Employed in chemical research programs to explore new reaction pathways and structure-activity relationships (SAR).

Basic Information

Product Name	5H-[1,2]Benzisothiazolo[2,3-A]Quinazolin-5-One
CAS No.	58910-46-6
Molecular Formula	C₁₅H₈N₂OS
Molecular Weight	264.30 g/mol
Synonyms	5H-[1,2]Benzisothiazolo[2,3-a]quinazolin-5-one; Benzisothiazoloquinazolinone; 5H-Benzisothiazolo[2,3-a]quinazolin-5-one; 58910-46-6; NSC 339587; Quinazolinobenzisothiazolone; 5H-[1,2]Benzothiazolo[2,3-a]quinazolin-5-one (alternate spelling)
EINECS	Contact for details

Quality Control

Our production of 5H-[1,2]Benzisothiazolo[2,3-A]Quinazolin-5-One adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is characterized using advanced analytical techniques including HPLC, NMR, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory needs.

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. For long-term storage, consider an inert atmosphere to ensure optimal stability.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
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.