Description

7-Bromo-2,3-Dihydrothieno[3,4-B][1,4]Dioxine-5-Carboxaldehyde 97 is a high-purity, functionalized heterocyclic building block of significant interest in advanced organic synthesis. This compound matters because it serves as a versatile precursor for constructing complex molecular architectures, particularly in the development of novel electronic materials and pharmaceuticals. It is primarily needed by research chemists and process development scientists in the fine chemical, pharmaceutical, and materials science industries for creating specialized polymers, ligands, and active pharmaceutical ingredients (APIs).

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates, particularly in central nervous system (CNS) and cardiovascular research.
• Organic Electronic Materials: Serves as a crucial precursor for the development of conjugated polymers and small molecules used in Organic Light-Emitting Diodes (OLEDs) and Organic Photovoltaics (OPVs).
• Ligand Synthesis: Used to create sophisticated ligands for catalysis and metal-organic frameworks (MOFs) due to its aldehyde functionality and heterocyclic core.
• Functional Polymer Chemistry: Enables the introduction of bromo and aldehyde handles into polymer backbones for post-polymerization modification and property tuning.
• Agrochemical Research: Employed in the discovery and development of new active ingredients with specific biological activities.
• Academic & Industrial R&D: A valuable reagent for methodological studies in synthetic organic chemistry and material science.

Basic Information

Product Name	7-Bromo-2,3-Dihydrothieno[3,4-B][1,4]Dioxine-5-Carboxaldehyde 97
CAS No.	852054-42-3
Molecular Formula	C7H5BrO3S
Molecular Weight	249.08 g/mol
Synonyms	7-Bromo-2,3-dihydrothieno[3,4-b][1,4]dioxine-5-carbaldehyde; 7-Bromothieno[3,4-b][1,4]dioxine-5-carboxaldehyde; 5-Formyl-7-bromo-2,3-dihydrothieno[3,4-b][1,4]dioxine; 7-Bromo-2,3-dihydro[1,4]dioxino[2,3-c]thiophene-5-carboxaldehyde; 852054-42-3; Thienodioxine carboxaldehyde derivative
EINECS	Contact for details

Quality Control

Our 7-Bromo-2,3-Dihydrothieno[3,4-B][1,4]Dioxine-5-Carboxaldehyde 97 is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced techniques including HPLC, NMR, and GC-MS to confirm identity and purity. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment, ensuring full traceability and compliance with research and development requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Due to its sensitivity to oxidation, it is recommended to store under an inert atmosphere (e.g., nitrogen or argon) for long-term preservation. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference standard
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
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.