Description

3,9B-Dihydro-4,9B-Dimethyl-3-Oxo-1-Dibenzofurancarboxylic Acid Methyl Ester is a high-purity, synthetically derived organic compound belonging to the dibenzofuran class. This specialty chemical serves as a critical advanced intermediate in the synthesis of complex molecules, valued for its unique fused-ring structure and functional group versatility. It is primarily sought after by R&D laboratories and production facilities in the pharmaceutical and agrochemical sectors for developing new active ingredients.

Application

• Pharmaceutical Intermediate: A key building block in the research and synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders.
• Agrochemical Synthesis: Used in the development of next-generation herbicides and pesticides, leveraging its complex heterocyclic core.
• Material Science Research: Investigated as a precursor for organic electronic materials, such as charge-transport layers or light-emitting components.
• Organic Synthesis & Catalysis: Employed in academic and industrial research as a model substrate or ligand precursor for developing new synthetic methodologies.
• Fine Chemical Production: Serves as a specialty intermediate for manufacturing dyes, pigments, and other performance chemicals requiring a dibenzofuran backbone.

Basic Information

Product Name	3,9B-Dihydro-4,9B-Dimethyl-3-Oxo-1-Dibenzofurancarboxylic Acid Methyl Ester
CAS No.	40801-45-4
Molecular Formula	C17H16O4
Molecular Weight	284.31 g/mol
Synonyms	Methyl 3,9b-dihydro-4,9b-dimethyl-3-oxo-1-dibenzofurancarboxylate; 1-Dibenzofurancarboxylic acid, 3,9b-dihydro-4,9b-dimethyl-3-oxo-, methyl ester; 4,9b-Dimethyl-3-oxo-3,9b-dihydrodibenzofuran-1-carboxylic acid methyl ester; 3-Oxo-4,9b-dimethyl-3,9b-dihydro-1-dibenzofurancarboxylic acid methyl ester; DBF-ME Ester (common abbreviation); Light-sensitive (store away from light)
EINECS	Contact for details

Quality Control

Our 3,9B-Dihydro-4,9B-Dimethyl-3-Oxo-1-Dibenzofurancarboxylic Acid Methyl Ester is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements for advanced synthetic intermediates. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to support your quality assurance protocols.

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). Keep the container tightly sealed to minimize exposure to atmospheric moisture. Store away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Single Unknown Impurity (HPLC)	≤ 0.5%
Total Impurities (HPLC)	≤ 2.0%

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