Description

4-Cyclopentene-1,3-Dione, 2-Acetyl-4-Hydroxy- (9Ci) is a specialized organic compound featuring a cyclopentenedione core functionalized with acetyl and hydroxyl groups, making it a versatile building block for complex synthesis. This compound matters for its role as a key intermediate in the development of advanced pharmaceuticals, agrochemicals, and fine chemicals, where its unique structure enables the construction of complex molecular architectures. It is primarily needed by research and development chemists, process development scientists, and manufacturers in the pharmaceutical, agrochemical, and material science industries.

Application

• Pharmaceutical Intermediate: Serves as a critical precursor in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for compounds with complex cyclic or heterocyclic structures.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides, herbicides, and plant growth regulators that require specific diketone functionalities.
• Fine Chemical Production: Acts as a building block for synthesizing specialty chemicals, dyes, pigments, and advanced organic materials.
• Academic & Industrial Research: A valuable reagent for method development and exploring new chemical reactions in organic chemistry and catalysis research.
• Material Science: Potential use as a monomer or cross-linking agent in the development of novel polymers with specific thermal or optical properties.

Basic Information

Item	Details
Product Name	4-Cyclopentene-1,3-Dione, 2-Acetyl-4-Hydroxy- (9Ci)
CAS No.	323187-85-5
Molecular Formula	C7H6O4
Molecular Weight	154.12 g/mol
Synonyms	2-Acetyl-4-hydroxy-4-cyclopentene-1,3-dione; 2-Acetyl-4-hydroxycyclopent-4-ene-1,3-dione; 4-Hydroxy-2-acetylcyclopent-4-ene-1,3-dione; 2-Acetyl-4-hydroxy-1,3-cyclopentanedione; 1,3-Cyclopentanedione, 2-acetyl-4-hydroxy-; (9CI); Contact for additional synonyms.
EINECS	Contact for details

Quality Control

Our 4-Cyclopentene-1,3-Dione, 2-Acetyl-4-Hydroxy- (9Ci) is produced under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) detailing specifications such as assay, impurity profiles, and physical characteristics. Our quality commitment supports applications requiring high-purity intermediates for research and cGMP manufacturing.

Storage

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

Specification

Item	Specification
Appearance	Off-white to yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
Heavy Metals	≤ 20 ppm

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