Description

1,2,7,8,9,9A-Hexahydro-2,2,9,9A-Tetramethyl-1,4-Methano-3-Benzoxepine-5,10(4H)-Dione is a specialized, high-purity organic intermediate with a complex bridged polycyclic structure. This compound matters for its role as a key building block in the synthesis of advanced fragrance molecules and complex pharmaceutical scaffolds, offering unique stereochemical and functional properties. It is primarily needed by research and development chemists, flavor & fragrance manufacturers, and fine chemical producers seeking to create novel compounds with specific olfactory or biological activity.

Application

• Fragrance & Flavor Intermediate: Serves as a crucial precursor in the synthesis of high-value, complex musk and amber fragrance compounds.
• Pharmaceutical Research: Used as a sophisticated scaffold or building block in medicinal chemistry for developing new active pharmaceutical ingredients (APIs).
• Organic Synthesis: Acts as a versatile intermediate in advanced organic reactions, including Diels-Alder and other cycloaddition chemistries.
• Fine Chemical Production: Employed in the manufacture of specialty chemicals requiring specific, rigid molecular architectures.
• Academic & Industrial R&D: Utilized in research laboratories for studying structure-activity relationships and novel synthetic pathways.
• Agrochemical Intermediates: Potential use in the development of novel agrochemicals with specific biological target interactions.

Basic Information

Product Name	1,2,7,8,9,9A-Hexahydro-2,2,9,9A-Tetramethyl-1,4-Methano-3-Benzoxepine-5,10(4H)-Dione
CAS No.	41988-45-8
Molecular Formula	C₁₇H₂₂O₃
Molecular Weight	274.35 g/mol
Synonyms	1,4-Methano-3-benzoxepine-5,10(4H)-dione, 1,2,7,8,9,9a-hexahydro-2,2,9,9a-tetramethyl-; 2,2,9,9a-Tetramethyl-1,2,7,8,9,9a-hexahydro-1,4-methano-3-benzoxepine-5,10-dione; Amberketal; Amberketal (fragrance intermediate); 5,10-Dioxo-1,2,7,8,9,9a-hexahydro-2,2,9,9a-tetramethyl-1,4-methano-3-benzoxepine
EINECS	Contact for details

Quality Control

Our 1,2,7,8,9,9A-Hexahydro-2,2,9,9A-Tetramethyl-1,4-Methano-3-Benzoxepine-5,10(4H)-Dione is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatographic purity assays and structural confirmation, to ensure consistent quality and specification compliance. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request 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 controlled room temperature (15-25°C). Keep away from strong oxidizing agents and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
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.