Description

Propanedioic Acid, [(2-Methylphenyl)Methyl]-, Monomethyl Ester (9Ci) is a specialized malonic acid derivative, serving as a critical building block in advanced organic synthesis. Its value lies in its unique structure, which provides a versatile platform for constructing complex molecules, particularly in the development of active pharmaceutical ingredients (APIs) and fine chemicals. This compound is essential for research chemists and process development scientists in the pharmaceutical, agrochemical, and material science industries who require high-purity, reliable intermediates for their synthetic pathways.

Application

• Pharmaceutical Intermediate: A key synthon in the multi-step synthesis of novel drug candidates and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the research and development of advanced pesticides, herbicides, and plant growth regulators.
• Fine Chemical Production: Serves as a precursor for dyes, pigments, and other performance chemicals requiring specific molecular architectures.
• Material Science Research: Employed in the development of specialty polymers, liquid crystals, and organic electronic materials.
• Academic & Industrial R&D: A valuable reagent for methodological development and exploring new chemical reactions in organic chemistry.

Basic Information

Product Name	Propanedioic Acid, [(2-Methylphenyl)Methyl]-, Monomethyl Ester (9Ci)
CAS No.	790259-96-0
Molecular Formula	C12H14O4
Molecular Weight	222.24 g/mol
Synonyms	Monomethyl (2-methylbenzyl)malonate; (2-Methylbenzyl)malonic Acid Monomethyl Ester; 2-[(2-Methylphenyl)methyl]propanedioic acid monomethyl ester; Methyl (2-methylbenzyl)malonate; 790259-96-0; Propanedioic acid, [(2-methylphenyl)methyl]-, monomethyl ester; Malonic acid, (o-methylbenzyl)-, monomethyl ester
EINECS	Contact for details

Quality Control

Our Propanedioic Acid, [(2-Methylphenyl)Methyl]-, Monomethyl Ester (9Ci) is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and batch-to-batch consistency. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided with every shipment to support your quality assurance and regulatory needs.

Storage

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

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 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.