Description

2-Hydroxymethyl-2-Cyclopentenoneethyleneketal CAS NO 80963-19-5 is a specialized cyclic ketal derivative, a key protected intermediate in advanced organic synthesis. Its value lies in providing a masked carbonyl functionality, enabling complex multi-step reactions under conditions where a free ketone would be incompatible. This compound is essential for researchers and manufacturers in the pharmaceutical and fine chemical industries developing novel active ingredients and complex molecular architectures.

Application

• Pharmaceutical Intermediate: A crucial building block in the synthesis of prostaglandins, steroids, and other bioactive molecules with complex ring systems.
• Fine Chemical Synthesis: Used in the production of fragrances, flavors, and advanced materials where selective protection and deprotection strategies are required.
• Agrochemical Research: Serves as a precursor in developing novel pesticides and plant growth regulators with specific stereochemistry.
• Academic & R&D Laboratories: A valuable reagent for methodological studies in organic chemistry, particularly in exploring new cyclization and functionalization reactions.
• Asymmetric Catalysis: Employed as a chiral pool starting material or auxiliary in the synthesis of enantiomerically pure compounds.

Basic Information

Product Name	2-Hydroxymethyl-2-Cyclopentenoneethyleneketal
CAS No.	80963-19-5
Molecular Formula	C9H14O3
Molecular Weight	170.21 g/mol
Synonyms	2-(Hydroxymethyl)-2-cyclopenten-1-one ethylene ketal; 2-Cyclopenten-1-one, 2-(hydroxymethyl)-, ethylene ketal; 2-(Hydroxymethyl)cyclopentanone ethylene ketal; Cyclopentenone ethylene ketal derivative; Ketal of 2-hydroxymethyl-2-cyclopentenone
EINECS	Contact for details

Quality Control

Our 2-Hydroxymethyl-2-Cyclopentenoneethyleneketal is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chromatographic purity analysis and structural confirmation, to ensure it meets the high standards required for synthetic applications. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided with every shipment and are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed after opening to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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