Description

Pentanedioic Acid, Mono[(4-Formylphenyl)Methyl] Ester (9Ci) is a specialized organic ester compound with a unique bifunctional structure, serving as a valuable synthetic intermediate. This compound matters for its role in facilitating the construction of more complex molecules, particularly in advanced pharmaceutical and material science research. It is needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty polymer industries for applications such as linker chemistry and custom synthesis.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs), especially those requiring a glutaric acid derivative linked to an aromatic aldehyde moiety.
• Bioconjugation & Linker Chemistry: Utilized in the development of antibody-drug conjugates (ADCs) and other targeted therapeutics, where its ester and formyl groups enable specific coupling reactions.
• Polymer Modification: Acts as a functional monomer or cross-linking agent in the production of specialty polymers, resins, and coatings to introduce specific chemical reactivity or physical properties.
• Agrochemical Synthesis: Intermediate in the manufacture of advanced crop protection agents and herbicides.
• Organic Synthesis Reagent: Serves as a versatile starting material or reagent in academic and industrial research laboratories for constructing complex organic frameworks.
• Material Science Research: Used in the development of novel organic electronic materials, metal-organic frameworks (MOFs), or functional surfaces.

Basic Information

Product Name	Pentanedioic Acid, Mono[(4-Formylphenyl)Methyl] Ester (9Ci)
CAS No.	219828-42-9
Molecular Formula	C14H16O5
Molecular Weight	264.27 g/mol
Synonyms	4-Formylbenzyl Hydrogen Glutarate; Mono(4-formylbenzyl) Glutarate; Glutaric Acid Mono(4-formylbenzyl) Ester; (4-Formylphenyl)methyl Hydrogen Pentanedioate; Benzaldehyde-4-carboxylic Acid, Glutaric Acid Monoester; 219828-42-9; 4-Carboxybenzaldehyde Glutaric Acid Monoester
EINECS	Contact for details

Quality Control

Our Pentanedioic Acid, Mono[(4-Formylphenyl)Methyl] Ester (9Ci) is produced under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and FTIR, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided and available upon request 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). This compound is easily oxidized and should be stored under an inert atmosphere (e.g., nitrogen or argon) for long-term stability. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	< 20 ppm

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