Description

5-Bromo-1H-Isochromen-1-One is a specialized brominated heterocyclic building block of significant interest in advanced organic synthesis. This compound matters for its role as a key precursor in the development of complex molecules, particularly in pharmaceutical research and material science. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and fine chemical industries for constructing novel molecular architectures.

Application

• Pharmaceutical Intermediate: Serves as a crucial synthon in the research and development of new active pharmaceutical ingredients (APIs), particularly for compounds with isochromenone or related fused-ring scaffolds.
• Agrochemical Synthesis: Used in the discovery and production of novel herbicides, fungicides, and insecticides, leveraging the bromine atom for further functionalization.
• Material Science Research: Acts as a building block for creating organic electronic materials, ligands for catalysis, and specialty polymers.
• Academic & Contract Research: Employed in university and CRO laboratories for methodological studies in heterocyclic and cross-coupling chemistry.
• Fine Chemical Production: Utilized in the custom synthesis of complex, high-value specialty chemicals for various industrial applications.

Basic Information

Product Name	5-Bromo-1H-Isochromen-1-One
CAS No.	245677-36-5
Molecular Formula	C9H5BrO2
Molecular Weight	225.04 g/mol
Synonyms	5-Bromoisochromen-1-one; 5-Bromo-1H-2-benzopyran-1-one; 5-Bromo-1H-isochromen-1-one; 245677-36-5; 5-Bromoisocoumarin; 5-Bromo-1H-isochromenone; 5-Bromo-2-benzopyran-1-one; 5-Bromo-1H-2-benzopyranone
EINECS	Contact for details

Quality Control

Our 5-Bromo-1H-Isochromen-1-One is manufactured under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and GC-MS, to ensure high purity and consistency. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are 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 room temperature (15-25°C). Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	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.