Description

2-Cyclopenten-1-One, 4,5-Dihydroxy-2-(1Z)-1-Propenyl-, (4R,5R)- (9Ci) is a high-purity, stereochemically defined chiral building block and synthetic intermediate. This compound is valued for its unique dihydroxycyclopentenone core, which serves as a versatile precursor in the synthesis of complex natural products and biologically active molecules. It is essential for research and development in the pharmaceutical, agrochemical, and fine chemical sectors, where precise stereochemistry and consistent quality are critical for successful outcomes.

Application

• Pharmaceutical Intermediate: Key chiral synthon for the development of prostaglandins, prostacyclins, and other bioactive compounds.
• Agrochemical Synthesis: Building block for creating novel pesticides and herbicides with specific stereochemical activity.
• Fine Chemical Production: Used in the multi-step synthesis of flavors, fragrances, and advanced material precursors.
• Academic & Contract Research: Critical reagent for methodological development in organic synthesis and catalysis studies.
• Natural Product Synthesis: Core structure for the laboratory synthesis of complex terpenoids and other natural products.

Basic Information

Product Name	2-Cyclopenten-1-One, 4,5-Dihydroxy-2-(1Z)-1-Propenyl-, (4R,5R)- (9Ci)
CAS No.	683276-45-1
Molecular Formula	C8H10O3
Molecular Weight	154.16 g/mol
Synonyms	(4R,5R)-4,5-Dihydroxy-2-[(1Z)-1-propenyl]-2-cyclopenten-1-one; 4,5-Dihydroxy-2-[(1Z)-1-propenyl]-2-cyclopenten-1-one, (4R,5R)-; (4R,5R)-4,5-Dihydroxy-2-(1Z)-1-propenyl-2-cyclopenten-1-one; Dihydroxypropenylcyclopentenone; Z-4,5-Dihydroxy-2-(1-propenyl)-2-cyclopenten-1-one, (4R,5R)-; (4R,5R)-rel-4,5-Dihydroxy-2-[(1Z)-1-propenyl]-2-cyclopenten-1-one
EINECS	Contact for details

Quality Control

Our 2-Cyclopenten-1-One, 4,5-Dihydroxy-2-(1Z)-1-Propenyl-, (4R,5R)- (9Ci) is produced under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chiral purity verification by HPLC, to ensure it meets the high standards required for advanced synthetic applications. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed in a dry environment to prevent degradation. For long-term storage, consider using desiccants.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Chiral Purity (HPLC)	≥ 98.0% de
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%

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