Description

4-Cyclopentene-1,3-Dione, 2-(1-Hydroxyethylidene)-4-Methyl-, (Z)- (9Ci) is a specialized organic compound belonging to the cyclopentenedione class, valued for its unique structural motif and reactivity. This chemical serves as a versatile building block and intermediate in advanced organic synthesis, enabling the construction of complex molecular architectures. It is primarily sought after by research institutions and industrial R&D departments in the pharmaceutical, agrochemical, and fine chemical sectors for developing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key synthon for the research and development of novel drug candidates, particularly those with complex heterocyclic structures.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and plant growth regulators.
• Fine Chemical Production: Serves as a precursor for dyes, pigments, and other performance chemicals requiring specific diketone functionalities.
• Academic & Industrial Research: A valuable reagent in methodological chemistry studies, including cycloaddition reactions and metal-complex catalysis.
• Material Science: Potential intermediate in the synthesis of organic electronic materials or ligands for catalytic systems.

Basic Information

Product Name	4-Cyclopentene-1,3-Dione, 2-(1-Hydroxyethylidene)-4-Methyl-, (Z)- (9Ci)
CAS No.	128886-99-7
Molecular Formula	C8H10O3
Molecular Weight	154.16 g/mol
Synonyms	2-(1-Hydroxyethylidene)-4-methyl-4-cyclopentene-1,3-dione; (Z)-2-(1-Hydroxyethylidene)-4-methyl-4-cyclopentene-1,3-dione; 4-Methyl-2-(1-hydroxyethylidene)-4-cyclopentene-1,3-dione; 4-Cyclopentene-1,3-dione, 2-(1-hydroxyethylidene)-4-methyl-, (Z)-; 2-Acetyl-4-methyl-4-cyclopentene-1,3-dione enol; 128886-99-7; 4-Methyl-2-(1-hydroxyethylidene)cyclopent-4-ene-1,3-dione
EINECS	Contact for details

Quality Control

Our 4-Cyclopentene-1,3-Dione, 2-(1-Hydroxyethylidene)-4-Methyl-, (Z)- (9Ci) is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and NMR/IR for structural confirmation, to ensure it meets the high standards required for research and industrial synthesis. Certificates of Analysis (COA) detailing all specifications are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from strong oxidizing agents and incompatible materials. For long-term storage, consider an inert atmosphere to preserve stability.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%

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