Description

Cyclopentanone, 2-(Hydroxymethyl)-2-(2-Propynyl)- (9Ci) is a functionalized cyclopentanone derivative featuring both hydroxymethyl and propargyl substituents, making it a versatile building block for advanced organic synthesis. This compound is valued for its bifunctional reactivity, enabling its use in the construction of complex molecular architectures and heterocyclic systems. It is primarily sought by researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for applications in drug discovery, material science, and fine chemical production.

Application

• Pharmaceutical Intermediate: Serves as a key synthon in the research and development of novel active pharmaceutical ingredients (APIs), particularly for constructing fused or spiro-cyclic ring systems.
• Agrochemical Synthesis: Used in the production of advanced crop protection agents and herbicides, leveraging its reactive handles for structural diversification.
• Click Chemistry Substrate: The propargyl group makes it an ideal participant in copper-catalyzed azide-alkyne cycloaddition (CuAAC) reactions for bioconjugation and polymer chemistry.
• Material Science Precursor: Acts as a monomer or cross-linking agent in the development of specialty polymers, resins, and advanced materials with tailored properties.
• Fine Chemical Manufacturing: Employed in the synthesis of complex fragrances, flavors, and other high-value specialty chemicals.
• Academic & Industrial R&D: A valuable reagent for methodological development in organic synthesis and catalysis studies within research laboratories.

Basic Information

Product Name	Cyclopentanone, 2-(Hydroxymethyl)-2-(2-Propynyl)- (9Ci)
CAS No.	357157-88-1
Molecular Formula	C9H12O2
Molecular Weight	152.19 g/mol
Synonyms	2-(Hydroxymethyl)-2-(prop-2-yn-1-yl)cyclopentan-1-one; 2-(Hydroxymethyl)-2-(2-propynyl)cyclopentanone; 2-(Prop-2-yn-1-yl)-2-(hydroxymethyl)cyclopentanone; 2-(2-Propynyl)-2-(hydroxymethyl)cyclopentanone; Propargyl hydroxymethyl cyclopentanone; Bifunctional cyclopentanone derivative
EINECS	Contact for details

Quality Control

Our Cyclopentanone, 2-(Hydroxymethyl)-2-(2-Propynyl)- (9Ci) is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC, GC, NMR, and IR spectroscopy, to ensure identity, purity, and consistency. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with agreed specifications. We support cGMP and ISO 9001 standards for manufacturing, ensuring reliability for critical R&D and scale-up processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). This compound is easily oxidized; for long-term storage, consider keeping under an inert atmosphere (e.g., nitrogen or argon). Keep away from heat, sparks, and open flame. Isolate from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC/GC)	≥ 95.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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