Description

3-Methylheptanedioic Acid Dimethyl Ester is a high-purity diester derivative of a branched-chain dicarboxylic acid, valued for its role as a versatile chemical intermediate and building block. Its structure offers unique reactivity and physical properties, making it essential for synthesizing specialized polymers, fine chemicals, and performance materials. This compound is particularly relevant for R&D chemists and production specialists in the pharmaceutical, agrochemical, and advanced material sectors seeking to develop novel compounds with tailored characteristics.

Application

• Pharmaceutical Intermediate: Serves as a key synthon in the production of active pharmaceutical ingredients (APIs), especially for compounds requiring a branched aliphatic chain.
• Polymer & Resin Modifier: Used in the synthesis of polyesters, polyamides, and alkyd resins to modify flexibility, solubility, and thermal properties.
• Agrochemical Synthesis: Acts as a precursor in the manufacture of herbicides, fungicides, and plant growth regulators.
• Flavor & Fragrance Ingredient: Employed in the synthesis of esters and lactones that contribute to complex aroma profiles.
• Lubricant & Plasticizer Additive: Incorporated as a building block for synthetic lubricants and specialty plasticizers.
• Organic Synthesis Reagent: A valuable starting material for Dieckmann condensations, transesterification reactions, and other organic transformations in R&D.

Basic Information

Product Name	3-Methylheptanedioic Acid Dimethyl Ester
CAS No.	14226-72-3
Molecular Formula	C11H20O4
Molecular Weight	216.27 g/mol
Synonyms	Dimethyl 3-Methylheptanedioate; Dimethyl 3-Methylpimelate; 3-Methylpimelic Acid Dimethyl Ester; Heptanedioic Acid, 3-Methyl-, Dimethyl Ester; Methyl 3-Methylheptanedioate; 3-Methylheptanedioic Acid Methyl Ester; 3-Methylpimelate Dimethyl Ester
EINECS	Contact for details

Quality Control

Our 3-Methylheptanedioic Acid Dimethyl Ester is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including chromatography (GC/HPLC) and spectroscopic methods, to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting all critical parameters are available upon request, supporting your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents, strong acids, and strong bases.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Refractive Index (20°C)	1.430 - 1.440
Density (20°C)	1.00 - 1.05 g/mL

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