Description

1-Methyl-7-Oxabicyclo[2.2.1]-5-Heptene-2,3-Dicarboxylicanhydride CAS NO 941-63-9 is a specialized bicyclic anhydride derivative, serving as a high-value chemical intermediate. Its unique bridged structure and reactive anhydride group make it a critical building block for synthesizing advanced polymers, resins, and fine chemicals. This compound is essential for R&D and production in industries such as pharmaceuticals, advanced materials, and specialty adhesives.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs) and complex drug molecules.
• Epoxy & Polymeric Resins: Used as a curing agent or hardener to enhance thermal stability and mechanical properties in high-performance epoxy systems.
• Polyimide Synthesis: Serves as a monomer for producing polyimides with excellent heat resistance for electronics and aerospace applications.
• Specialty Adhesives & Coatings: Imparts improved adhesion, chemical resistance, and durability in formulated coatings and adhesive products.
• Fine Chemical Synthesis: A versatile building block for creating complex organic molecules in agrochemical and material science research.
• Cross-linking Agent: Utilized to create cross-linked polymer networks for elastomers and composites.

Basic Information

Product Name	1-Methyl-7-Oxabicyclo[2.2.1]-5-Heptene-2,3-Dicarboxylicanhydride
CAS No.	941-63-9
Molecular Formula	C9H8O4
Molecular Weight	180.16 g/mol
Synonyms	1-Methyl-7-oxabicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic anhydride; 5-Norbornene-2,3-dicarboxylic anhydride, 1-methyl-7-oxa-; 1-Methyl-7-oxabicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid anhydride; Methyl nadic anhydride derivative; MNA analogue; Bicyclic anhydride monomer; Contact for additional synonyms.
EINECS	Contact for details

Quality Control

Our 1-Methyl-7-Oxabicyclo[2.2.1]-5-Heptene-2,3-Dicarboxylicanhydride is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting full specifications are available upon request to support your quality assurance and regulatory compliance 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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture.

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	≤ 1.0%
Heavy Metals	≤ 20 ppm

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