Description

5-Bromoisochromane-1,3-Dione is a high-purity brominated heterocyclic compound with the CAS number 1260387-31-2. This specialized chemical building block is valued for its unique reactivity, particularly in facilitating advanced organic synthesis and molecular derivatization. It serves as a critical intermediate for researchers and manufacturers in the pharmaceutical and agrochemical industries, enabling the development of novel active ingredients and complex molecular architectures.

Application

• Pharmaceutical Intermediate: A key synthon in the research and development of new drug candidates, particularly for central nervous system (CNS) and anti-inflammatory targets.
• Agrochemical Synthesis: Used in the production of advanced herbicides and fungicides, where its bromine moiety allows for selective functionalization.
• Organic Light-Emitting Diodes (OLEDs): Acts as a precursor for electron-transport materials or host materials in the fabrication of high-performance display and lighting technologies.
• Ligand and Catalyst Development: Serves as a scaffold for creating novel chelating ligands and organocatalysts used in asymmetric synthesis.
• Polymer Chemistry: Employed in the synthesis of functional monomers for specialty polymers with tailored thermal or optical properties.
• Academic and R&D Laboratories: A valuable reagent for methodological studies in organic chemistry, including cross-coupling and cyclization reactions.

Basic Information

Product Name	5-Bromoisochromane-1,3-Dione
CAS No.	1260387-31-2
Molecular Formula	C9H5BrO3
Molecular Weight	241.04 g/mol
Synonyms	5-Bromoisochromane-1,3-dione; 5-Bromo-1H-isochromene-1,3(4H)-dione; 5-Bromo-1,3-dihydroisobenzofuran-1,3-dione; 5-Bromophthalide-3-carboxylic acid lactone (derivative); 5-Bromo-1,3-isochromanedione; 5-Bromohomophthalic anhydride
EINECS	Contact for details

Quality Control

Our 5-Bromoisochromane-1,3-Dione is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity verification and NMR/IR for structural confirmation, to ensure it meets the high standards required for research and industrial synthesis. Certificates of Analysis (COA) detailing all specifications are provided with every shipment.

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). The compound may be light-sensitive and should be handled accordingly to maintain stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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