Description

3-Ethyl-3-Methylglutaric Anhydride is a high-purity cyclic anhydride building block used in advanced organic synthesis. This compound is valued for its reactivity as an electrophile, enabling the efficient introduction of functionalized glutaric acid derivatives into target molecules. It is primarily sought by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty polymer industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of active pharmaceutical ingredients (APIs) and prodrugs, particularly those requiring chiral or branched dicarboxylic acid motifs.
• Polymer Chemistry: Used as a monomer or cross-linking agent in the production of specialty polyesters, polyamides, and epoxy resin hardeners, imparting specific thermal and mechanical properties.
• Agrochemical Synthesis: Intermediate in the manufacture of herbicides, fungicides, and plant growth regulators that benefit from its aliphatic backbone.
• Ligand and Catalyst Development: Serves as a precursor for chiral ligands and metal-organic frameworks (MOFs) used in asymmetric catalysis.
• Fine Chemical Production: Employed in the multi-step synthesis of dyes, flavors, and fragrances requiring precise functional group manipulation.
• Academic & Industrial Research: A versatile reagent for methodological development and exploring new reaction pathways in organic chemistry laboratories.

Basic Information

Product Name	3-Ethyl-3-Methylglutaric Anhydride
CAS No.	6970-57-6
Molecular Formula	C8H12O3
Molecular Weight	156.18 g/mol
Synonyms	3-Ethyl-3-methylpentanedioic anhydride; 3-Methyl-3-ethylglutaric anhydride; 3-Ethyl-3-methylglutaric acid anhydride; Glutaric anhydride, 3-ethyl-3-methyl-; 3-Ethyl-3-methyl-1,5-pentanedioic acid cyclic anhydride
EINECS	Contact for details

Quality Control

Our 3-Ethyl-3-Methylglutaric Anhydride is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including assay (HPLC), identity confirmation (IR, NMR), and impurity profiling, to ensure it meets the high standards required for research and industrial synthesis. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and light-sensitive; containers must be kept tightly sealed and away from moisture and direct light to maintain purity and stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Water Content (KF)	≤ 0.5%
Heavy Metals	< 10 ppm

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