Description

2-Cyclopentene-1-Carboxaldehyde, 1-Methyl-3-(1-Methylethyl)- (9Ci) is a specialized, high-value aldehyde derivative of a substituted cyclopentene, serving as a critical chiral building block and intermediate in advanced organic synthesis. Its unique sterically hindered structure makes it particularly valuable for constructing complex molecular architectures where precise stereochemistry and functional group placement are paramount. This compound is essential for research and development chemists in the pharmaceutical, agrochemical, and fine chemical industries, enabling the synthesis of novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the research and development of novel active pharmaceutical ingredients (APIs), particularly in therapeutic areas requiring complex, stereochemically defined molecules.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and plant growth regulators where its specific aldehyde functionality and structure contribute to biological activity.
• Fine Chemical Manufacturing: Serves as a versatile building block for synthesizing specialty chemicals, including flavors, fragrances, and advanced polymers.
• Academic & Industrial R&D: Employed in chemical research for methodological development, catalysis studies, and the exploration of new reaction pathways involving strained and functionalized olefins.
• Material Science Precursor: Potential use as a monomer or cross-linking agent in the development of specialized polymeric materials with tailored properties.

Basic Information

Product Name	2-Cyclopentene-1-Carboxaldehyde, 1-Methyl-3-(1-Methylethyl)- (9Ci)
CAS No.	408523-04-6
Molecular Formula	C10H16O
Molecular Weight	152.23 g/mol
Synonyms	1-Methyl-3-(1-methylethyl)-2-cyclopentene-1-carboxaldehyde; 1-Isopropyl-3-methyl-2-cyclopentene-1-carboxaldehyde; 3-Isopropyl-1-methyl-2-cyclopenten-1-carbaldehyde; (1-Methyl-3-propan-2-ylcyclopent-2-en-1-yl)methanal
EINECS	Contact for details

Quality Control

Every batch of 2-Cyclopentene-1-Carboxaldehyde, 1-Methyl-3-(1-Methylethyl)- (9Ci) is manufactured and tested under strict quality management systems to ensure consistency and purity for demanding synthetic applications. We provide comprehensive analytical data, including HPLC/GC purity, chiral purity (if applicable), and identity confirmation (IR, NMR). A detailed Certificate of Analysis (COA) is supplied with each shipment, and we support custom purity grades to meet specific project requirements.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry, and well-ventilated area. Recommended storage temperature is 2-8°C for long-term stability. Allow the container to reach ambient temperature before opening to minimize moisture ingress and degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 95.0%
Water Content (KF)	≤ 0.5%

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