Description

2-Propynal, 3-(1-Methylcyclopentyl)- (9Ci) is a specialized alkyne derivative featuring a unique methylcyclopentyl substituent, making it a valuable building block in advanced organic synthesis. Its reactive terminal alkyne group is crucial for constructing complex molecular architectures via cross-coupling and cycloaddition reactions. This high-purity intermediate is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and material science sectors developing novel active ingredients and functional polymers.

Application

• Pharmaceutical Intermediate: Serves as a key synthon in the research and development of new drug candidates, particularly for creating complex carbon scaffolds.
• Agrochemical Synthesis: Used in the production of advanced pesticides and herbicides where the alkyne functionality enables specific bioactivity.
• Material Science Research: Acts as a monomer or cross-linking agent in the development of specialty polymers and advanced organic materials.
• Organic Synthesis Building Block: Employed in Sonogashira, Click Chemistry (CuAAC), and other metal-catalyzed coupling reactions to introduce the alkyne moiety.
• Chemical Research & Development: A versatile reagent for academic and industrial R&D labs exploring new synthetic methodologies and compound libraries.
• Ligand and Catalyst Preparation: Utilized in the synthesis of specialized ligands for catalysis and molecular recognition applications.

Basic Information

Product Name	2-Propynal, 3-(1-Methylcyclopentyl)- (9Ci)
CAS No.	89521-50-6
Molecular Formula	C9H12O
Molecular Weight	136.19 g/mol
Synonyms	3-(1-Methylcyclopentyl)propynal; 1-Methylcyclopentaneacrolein; 3-(1-Methylcyclopentyl)-2-propynal; 3-(1-Methylcyclopentyl)propiolaldehyde; (1-Methylcyclopentyl)propiolaldehyde; Propiolaldehyde, 3-(1-methylcyclopentyl)-; 89521-50-6
EINECS	Contact for details

Quality Control

Our 2-Propynal, 3-(1-Methylcyclopentyl)- (9Ci) is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chromatography (HPLC/GC) and spectroscopic methods (NMR, IR), to ensure high chemical purity and identity confirmation. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting purity, assay, and impurity profiles to meet your research and production specifications.

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. Keep away from heat, sparks, open flames, and oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Assay (GC)	≥ 96.0%
Water Content (KF)	≤ 0.5%

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