Description

5-Chloroisatoicanhydride is a versatile and high-value heterocyclic building block used in advanced organic synthesis. This compound is critical for the development of complex molecules, particularly in the pharmaceutical and agrochemical sectors, due to its reactive anhydride and chlorinated aromatic structure. It serves as a key intermediate for researchers and manufacturers in fine chemical production, enabling the synthesis of active pharmaceutical ingredients (APIs), dyes, and other specialty chemicals.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of various active pharmaceutical ingredients (APIs), particularly those with quinazolinone or related heterocyclic cores.
• Agrochemical Synthesis: Used in the development of advanced herbicides, fungicides, and pesticides, leveraging its reactive sites for structural diversification.
• Dye and Pigment Manufacturing: Serves as a building block for producing high-performance organic dyes and pigments, contributing to color fastness and stability.
• Research & Development: A valuable reagent in academic and industrial R&D for exploring new chemical entities and reaction pathways in medicinal chemistry.
• Fine Chemical Production: Employed in the custom synthesis of complex, high-value specialty chemicals for various industrial applications.

Basic Information

Product Name	5-Chloroisatoicanhydride
CAS No.	4793-17-3
Molecular Formula	C8H4ClNO3
Molecular Weight	197.57 g/mol
Synonyms	5-Chloro-1H-3,1-benzoxazine-2,4-dione; 5-Chloro-2H-3,1-benzoxazine-2,4(1H)-dione; 5-Chloroisatoic Anhydride; Isatoic Anhydride, 5-chloro-; 5-Chloro-1H-benzo[d][1,3]oxazine-2,4-dione; 5-Chloro-2,4-dihydro-1H-3,1-benzoxazine-2,4-dione
EINECS	Contact for details

Quality Control

Our 5-Chloroisatoicanhydride is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for pharmaceutical and fine chemical applications. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability, consistency, and compliance with your specifications.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Heavy Metals	≤ 20 ppm
Residue on Ignition	≤ 0.1%
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.5%

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