Description

1H-Isoindole-5-Carbonyl Chloride, 2,3-Dihydro-1,3-Dioxo- (9Ci) is a high-purity, reactive chemical intermediate belonging to the isoindole family. This compound is valued for its role as a versatile building block in advanced organic synthesis, enabling the introduction of the 5-carbonyl chloride functional group into complex molecular architectures. It is primarily sought after by research and development teams in the pharmaceutical and agrochemical sectors for the synthesis of novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of complex heterocyclic compounds and potential active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and insecticides.
• Material Science Research: Serves as a monomer or functionalizing agent in the development of specialty polymers and advanced organic materials.
• Chemical Biology & Proteomics: Employed as a derivatization or labeling reagent for biomolecules in research applications.
• Academic & Industrial R&D: A valuable tool for synthetic chemists exploring new reaction pathways and constructing complex molecular scaffolds.

Basic Information

Product Name	1H-Isoindole-5-Carbonyl Chloride, 2,3-Dihydro-1,3-Dioxo- (9Ci)
CAS No.	3969-15-1
Molecular Formula	C9H4ClNO3
Molecular Weight	209.59 g/mol
Synonyms	5-Isoindolinecarbonyl chloride, 1,3-dioxo-; 1,3-Dioxo-2,3-dihydro-1H-isoindole-5-carbonyl chloride; 1,3-Dioxoisoindoline-5-carbonyl chloride; Isoindole-5-carbonyl chloride, 2,3-dihydro-1,3-dioxo-; 5-Carboxyphthalimide chloride
EINECS	Contact for details

Quality Control

Our 1H-Isoindole-5-Carbonyl Chloride, 2,3-Dihydro-1,3-Dioxo- (9Ci) is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced techniques such as HPLC, NMR, and titration to confirm identity, potency, and impurity profiles. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment to support your quality assurance processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Due to its reactivity as an acid chloride, it should be kept under an inert atmosphere (e.g., nitrogen or argon) and separated from incompatible materials such as strong bases, alcohols, and amines. Handle and store only in compatible, dry glass or fluorinated polymer containers.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Water Content (KF)	≤ 0.5%

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