Description

Cyclopentanepentanal, 1-Methyl-2,5-Dioxo- (9Ci) is a high-purity, specialized chemical building block of significant interest in advanced organic synthesis. This compound matters for its unique functional group arrangement, which makes it a valuable precursor for constructing complex molecular architectures, particularly in pharmaceutical and materials science research. It is primarily needed by R&D chemists and process development scientists working on novel active pharmaceutical ingredients (APIs), specialty polymers, and high-performance materials.

Application

• Pharmaceutical Intermediate: A key synthon in the research and development of novel therapeutic agents and active pharmaceutical ingredients (APIs).
• Organic Synthesis Building Block: Used in multi-step synthetic routes to construct complex heterocyclic and polycyclic compounds.
• Polymer & Materials Science: Serves as a monomer or cross-linking agent in the development of specialty polymers with tailored properties.
• Agrochemical Research: Employed in the synthesis of advanced crop protection agents and plant growth regulators.
• Ligand & Catalyst Development: Utilized for creating novel chelating ligands and organocatalysts for asymmetric synthesis.
• Academic & Industrial R&D: A critical reagent for exploratory chemistry in university laboratories and corporate research centers.

Basic Information

Product Name	Cyclopentanepentanal, 1-Methyl-2,5-Dioxo- (9Ci)
CAS No.	674347-69-4
Molecular Formula	C7H8O3
Molecular Weight	140.14 g/mol
Synonyms	1-Methyl-2,5-dioxocyclopentanepentanal; 1-Methyl-2,5-dioxocyclopentane-1-carbaldehyde; 1-Methyl-2,5-dioxocyclopentanecarboxaldehyde; 2,5-Dioxo-1-methylcyclopentanepentanal; 1-Methyl-2,5-diketocyclopentanecarbaldehyde; Cyclopentanepentanal, 1-methyl-2,5-dioxo-; 1-Methyl-2,5-dioxocyclopentane-1-carboxaldehyde
EINECS	Contact for details

Quality Control

Our Cyclopentanepentanal, 1-Methyl-2,5-Dioxo- (9Ci) 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) detailing all specifications are provided and available upon request to support your quality assurance and regulatory documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its sensitivity to oxidation, it is recommended to store the material under an inert atmosphere (e.g., nitrogen or argon) for long-term stability. Keep away from heat, sparks, and open flame.

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%
Related Substances (HPLC)	Total impurities ≤ 3.0% Any single impurity ≤ 1.0%

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