Description

4-Cyclopentene-1,3-Dione,2,2,4,5-Tetramethyl-(9Ci) is a specialized, high-purity organic compound identified by CAS number 444816-24-4. This chemical serves as a valuable advanced synthetic intermediate and building block in the development of complex organic molecules. It is primarily utilized by pharmaceutical research and fine chemical synthesis sectors for creating novel compounds with specific structural features.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel active pharmaceutical ingredients (APIs) and drug candidates.
• Organic Synthesis Reagent: Used in advanced organic chemistry research for constructing complex, multi-ring molecular architectures.
• Agrochemical Research: Serves as a precursor in the development of new herbicides, fungicides, and plant growth regulators.
• Material Science: Investigated as a monomer or precursor for specialty polymers and advanced organic materials.
• Chemical Research: Employed in academic and industrial R&D for studying cycloaddition reactions and other complex organic transformations.

Basic Information

Product Name	4-Cyclopentene-1,3-Dione,2,2,4,5-Tetramethyl-(9Ci)
CAS No.	444816-24-4
Molecular Formula	C9H12O2
Molecular Weight	152.19 g/mol
Synonyms	2,2,4,5-Tetramethyl-4-cyclopentene-1,3-dione; 2,2,4,5-Tetramethylcyclopent-4-ene-1,3-dione; Tetramethylcyclopentenedione; 4-Cyclopentene-1,3-dione, 2,2,4,5-tetramethyl-; 444816-24-4 (CAS); 4-Cyclopentene-1,3-dione, tetramethyl derivative
EINECS	Contact for details

Quality Control

Our 4-Cyclopentene-1,3-Dione,2,2,4,5-Tetramethyl-(9Ci) is produced under stringent quality management systems. Each batch undergoes rigorous analytical testing, including HPLC and NMR, to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its sensitivity to oxidation, minimize headspace and avoid prolonged exposure to air.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 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.