Description

5-Hexyn-2-One, 4-Hydroxy-4-Methyl- (9Ci) is a specialized alkyne-containing ketone derivative that serves as a valuable synthetic intermediate. Its unique structure, featuring both a hydroxyl group and a terminal alkyne, makes it a versatile building block for constructing complex molecular architectures. This compound is primarily sought by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and advanced materials sectors for applications in medicinal chemistry, polymer synthesis, and ligand development.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel active pharmaceutical ingredients (APIs), particularly in projects targeting central nervous system (CNS) disorders and metabolic diseases.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and plant growth regulators, leveraging its reactive alkyne moiety.
• Polymer & Material Science: Serves as a monomer or cross-linking agent in the production of specialty polymers, resins, and advanced functional materials with tailored properties.
• Chemical Biology & Bioconjugation: The terminal alkyne group is utilized in click chemistry reactions, such as copper-catalyzed azide-alkyne cycloaddition (CuAAC), for labeling biomolecules and developing probes.
• Ligand & Catalyst Development: Acts as a precursor for synthesizing novel ligands used in asymmetric catalysis and transition metal complexes.
• Fine Chemical Production: Employed in the multi-step synthesis of complex fragrance compounds, flavors, and other high-value specialty chemicals.

Basic Information

Product Name	5-Hexyn-2-One, 4-Hydroxy-4-Methyl- (9Ci)
CAS No.	108615-48-1
Molecular Formula	C7H10O2
Molecular Weight	126.15 g/mol
Synonyms	4-Hydroxy-4-methyl-5-hexyn-2-one; 4-Methyl-4-hydroxy-5-hexyn-2-one; 5-Hexyn-2-one, 4-hydroxy-4-methyl-; 4-Hydroxy-4-methylhex-5-yn-2-one
EINECS	Contact for details

Quality Control

Our 5-Hexyn-2-One, 4-Hydroxy-4-Methyl- (9Ci) is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including chromatography (HPLC/GC) and spectroscopic methods (NMR, IR), to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all critical quality attributes are provided and available upon request. We adhere to cGMP principles where applicable to support our customers' regulatory and research needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flames. For long-term storage, consider storing under an inert atmosphere to maintain optimal 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.