Description

1-Cyclopentene-1-Carboxaldehyde, 2-(1-Methyl-2-Propenyl)- (9Ci) is a specialized, high-value aldehyde derivative of cyclopentene, serving as a critical chiral building block and advanced intermediate in complex organic synthesis. Its unique bicyclic structure with an aldehyde functional group makes it indispensable for constructing intricate molecular frameworks, particularly in the development of novel active pharmaceutical ingredients (APIs) and fine chemicals. This compound is primarily sought after by research institutions and industrial R&D departments in the pharmaceutical, agrochemical, and specialty chemical sectors for applications requiring precise stereochemistry and functional group manipulation.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the synthesis of novel drug candidates, particularly in therapeutic areas requiring complex, multi-ring structures.
• Agrochemical Synthesis: Used in the research and development of advanced pesticides and herbicides, where its aldehyde group allows for further functionalization.
• Fine Chemical Production: Serves as a versatile precursor for manufacturing specialty chemicals, including flavors, fragrances, and performance materials.
• Academic & Industrial Research: Employed in methodological studies and as a model compound in organic chemistry research focused on cyclopentene chemistry and asymmetric synthesis.
• Material Science: Potential monomer or cross-linking agent in the development of novel polymers with specific thermal or mechanical properties.

Basic Information

Item	Details
Product Name	1-Cyclopentene-1-Carboxaldehyde, 2-(1-Methyl-2-Propenyl)- (9Ci)
CAS No.	343865-09-8
Molecular Formula	C10H14O
Molecular Weight	150.22 g/mol
Synonyms	2-(1-Methyl-2-propenyl)-1-cyclopentene-1-carboxaldehyde; 2-(1-Methylprop-2-en-1-yl)cyclopent-1-ene-1-carbaldehyde; 2-(2-Propen-1-yl)-1-cyclopentene-1-carboxaldehyde; (2-Isopropenylcyclopent-1-en-1-yl)methanol (oxidized form); Cyclopentenecarboxaldehyde derivative; CAS 343865-09-8
EINECS	Contact for details

Quality Control

Every batch of 1-Cyclopentene-1-Carboxaldehyde, 2-(1-Methyl-2-Propenyl)- (9Ci) is produced and tested under stringent quality management protocols to ensure consistency and purity for research and industrial use. Our quality control includes comprehensive analytical testing via GC, HPLC, and NMR to verify identity, purity, and impurity profiles. A detailed Certificate of Analysis (COA) is provided with each shipment, documenting all critical specifications. We adhere to cGMP principles where applicable to support our clients' regulatory 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 place. Recommended storage temperature is 2-8°C for long-term stability. This material is easily oxidized and light-sensitive; minimize exposure to air and light during handling.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 95.0%
Purity (HPLC)	≥ 94.0%
Water Content (KF)	≤ 0.5%

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