Description

2-Cyclopenten-1-One,2-Hydroxy-3,4-Dimethyl-5-(1-Pentenylidene)-(9Ci) CAS NO 526201-83-2 is a specialized, high-purity cyclopentenone derivative with a unique pentenylidene substituent, making it a valuable advanced intermediate for complex organic synthesis. Its distinct molecular architecture is critical for constructing intricate ring systems and chiral centers found in active pharmaceutical ingredients and fine chemicals. This compound is primarily sought by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for developing novel compounds and scaling up synthetic routes.

Application

• Pharmaceutical Intermediate: Serves as a key building block for synthesizing novel drug candidates, particularly those with complex cyclic or polycyclic structures.
• Agrochemical Synthesis: Used in the research and development of new active ingredients for crop protection products, leveraging its reactive ketone and olefin functionalities.
• Fine Chemical Production: Acts as a precursor for flavors, fragrances, and other high-value specialty chemicals requiring specific stereochemistry.
• Material Science Research: Investigated as a monomer or cross-linking agent for developing novel polymers with tailored thermal or optical properties.
• Academic & Industrial R&D: Employed in methodological studies and catalysis research for developing new synthetic transformations involving enones.

Basic Information

Product Name	2-Cyclopenten-1-One,2-Hydroxy-3,4-Dimethyl-5-(1-Pentenylidene)-(9Ci)
CAS No.	526201-83-2
Molecular Formula	C12H18O2
Molecular Weight	194.27 g/mol
Synonyms	2-Hydroxy-3,4-dimethyl-5-(1-pentenylidene)-2-cyclopenten-1-one; 5-(1-Pentenylidene)-2-hydroxy-3,4-dimethyl-2-cyclopenten-1-one; 2-Cyclopenten-1-one, 2-hydroxy-3,4-dimethyl-5-(1-pentenylidene)- (9CI); 2-Hydroxy-3,4-dimethyl-5-pentylidene-2-cyclopenten-1-one
EINECS	Contact for details

Quality Control

Every batch of our 2-Cyclopenten-1-One derivative is manufactured and tested under a strict quality management system. We provide comprehensive analytical data to ensure the compound meets your specific research or production requirements. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available for each lot. Our standard quality commitment aligns with cGMP principles for pharmaceutical intermediates, ensuring traceability and consistency.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at a controlled room temperature (15-25°C) in a cool, dry, and well-ventilated area. This product is light-sensitive and easily oxidized; prolonged exposure to air, light, or moisture should be avoided to maintain stability and purity.

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%
Heavy Metals	< 20 ppm

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