Description

2-Cyclopenten-1-One, 4-Hydroxy-3-Methyl-2-(1,2-Propadienyl)- (9Ci) is a specialized organic compound belonging to the cyclopentenone class, characterized by its hydroxy, methyl, and propargyl (allenyl) substituents. This unique molecular architecture makes it a valuable versatile synthetic intermediate for constructing complex organic frameworks, particularly in fine chemical and pharmaceutical research. It is primarily sought by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and advanced material sectors for developing novel active ingredients and functional molecules.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of novel drug candidates, particularly those with complex cyclic or heterocyclic structures.
• Agrochemical Synthesis: Used in the research and development of new pesticides, herbicides, and plant growth regulators.
• Fine Chemical Production: Acts as a precursor for specialty chemicals, flavors, fragrances, and advanced organic materials.
• Academic & Industrial Research: A valuable reagent for methodological studies in organic synthesis, including cycloaddition reactions and functional group transformations.
• Material Science: Potential monomer or cross-linking agent in the development of polymers with specific optical or electronic properties.

Basic Information

Item	Details
Product Name	2-Cyclopenten-1-One, 4-Hydroxy-3-Methyl-2-(1,2-Propadienyl)- (9Ci)
CAS No.	77087-28-6
Molecular Formula	C9H10O2
Molecular Weight	150.17 g/mol
Synonyms	4-Hydroxy-3-methyl-2-(prop-1-yn-1-yl)cyclopent-2-en-1-one; 4-Hydroxy-3-methyl-2-(prop-2-yn-1-ylidene)cyclopent-2-en-1-one; 2-(1,2-Propadienyl)-4-hydroxy-3-methyl-2-cyclopenten-1-one; 4-Hydroxy-3-methyl-2-(1,2-propadienyl)cyclopent-2-en-1-one; Allenyl-substituted cyclopentenone derivative
EINECS	Contact for details

Quality Control

Our 2-Cyclopenten-1-One, 4-Hydroxy-3-Methyl-2-(1,2-Propadienyl)- (9Ci) is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and spectroscopic identification (IR, NMR), to ensure it meets the high standards required for research and development. Certificates of Analysis (COA) detailing all specifications are available upon request.

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). This compound may be light-sensitive and should be handled under an inert atmosphere for long-term stability.

Specification

Item	Specification
Appearance	Off-white to light yellow solid/powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95% (Research Grade)
Melting Point	Contact for details
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.