Description

1-Cyclopentene-1-Acetaldehyde, 2-Formyl-3-Methyl- (9Ci) is a specialized, high-value chemical intermediate characterized by its reactive aldehyde and formyl functional groups on a cyclopentene backbone. This compound matters for its role as a versatile building block in the synthesis of complex organic molecules, enabling the introduction of specific functional groups and stereochemistry. It is primarily needed by research and development chemists in the pharmaceutical and agrochemical industries for creating novel active ingredients, as well as by fine chemical manufacturers producing advanced materials and fragrances.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly for constructing complex heterocyclic cores and chiral molecules.
• Agrochemical Synthesis: Used in the research and development of new pesticides and herbicides, leveraging its reactive sites for structural diversification.
• Fine Chemical Production: Serves as a building block for advanced materials, specialty polymers, and high-value catalysts.
• Fragrance & Flavor Chemistry: Potential intermediate for creating unique aroma chemicals due to its specific aldehyde structure.
• Academic & Industrial Research: A valuable reagent for methodological development in organic synthesis and catalysis studies.

Basic Information

Product Name	1-Cyclopentene-1-Acetaldehyde, 2-Formyl-3-Methyl- (9Ci)
CAS No.	216512-70-8
Molecular Formula	C9H12O2
Molecular Weight	152.19 g/mol
Synonyms	2-Formyl-3-methyl-1-cyclopentene-1-acetaldehyde; 3-Methyl-2-formyl-1-cyclopentene-1-acetaldehyde; 1-Cyclopentene-1-acetaldehyde, 2-formyl-3-methyl-; (2-Formyl-3-methyl-1-cyclopenten-1-yl)acetaldehyde
EINECS	Contact for details

Quality Control

Our 1-Cyclopentene-1-Acetaldehyde, 2-Formyl-3-Methyl- (9Ci) is produced under stringent quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and batch-to-batch consistency suitable for sensitive synthetic applications. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at controlled room temperature (15-25°C) in a cool, dry, and well-ventilated area. This material is easily oxidized and light-sensitive; prolonged exposure to air or light should be avoided to maintain stability and purity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (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.