Description

Cyclopentanecarboxaldehyde, 2-(3-Butynyl)-, trans- (9Ci) is a specialized chiral aldehyde building block featuring a cyclopentane ring and a terminal alkyne functional group. This unique molecular architecture makes it a high-value intermediate for the synthesis of complex, biologically active molecules. It is primarily needed by pharmaceutical R&D and fine chemical synthesis teams for constructing novel drug candidates and advanced materials.

Application

• Pharmaceutical Intermediate: A key chiral synthon in the research and development of new active pharmaceutical ingredients (APIs), particularly for central nervous system (CNS) and anti-inflammatory targets.
• Agrochemical Synthesis: Used in the production of advanced, high-performance pesticides and herbicides where specific stereochemistry is required for efficacy.
• Ligand and Catalyst Development: Serves as a precursor for creating novel chiral ligands and organometallic catalysts used in asymmetric synthesis.
• Material Science Research: Employed in the synthesis of specialized polymers and advanced organic materials with tailored properties.
• Academic & Industrial Research: A valuable compound for methodological studies in organic chemistry, including novel cyclization and cross-coupling reactions.
• Fragrance and Flavor Chemistry: Potential use as a building block for synthesizing complex odorants and flavor compounds due to its aldehyde functionality and rigid structure.

Basic Information

Item	Details
Product Name	Cyclopentanecarboxaldehyde, 2-(3-Butynyl)-, trans- (9Ci)
CAS No.	184915-15-9
Molecular Formula	C10H14O
Molecular Weight	150.22 g/mol
Synonyms	trans-2-(3-Butynyl)cyclopentanecarboxaldehyde; (1R,2S)-2-(3-Butyn-1-yl)cyclopentanecarbaldehyde; (1S,2R)-2-(3-Butyn-1-yl)cyclopentanecarbaldehyde; 2-(3-Butynyl)cyclopentanecarboxaldehyde, trans-; 184915-15-9; Cyclopentanecarboxaldehyde, 2-(3-butynyl)-, (1R,2S)-rel-; (1R,2S)-rel-2-(3-Butyn-1-yl)cyclopentanecarboxaldehyde
EINECS	Contact for details

Quality Control

Our production of Cyclopentanecarboxaldehyde, 2-(3-Butynyl)-, trans- (9Ci) adheres to stringent internal quality standards to ensure batch-to-batch consistency and high purity. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing purity, enantiomeric excess (where applicable), and impurity profiles. We support cGMP compliance for advanced intermediates and can provide materials suitable for research through to development-scale synthesis.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at 2-8°C or as specified on the certificate of analysis. This compound is easily oxidized and light-sensitive; prolonged exposure to air, light, or ambient temperatures should be avoided to maintain stability and purity.

Specification

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

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