Description

1-Cyclopentene-1-Carboxaldehyde, 4-(Hydroxymethyl)-3,3-Dimethyl- (9Ci) is a specialized, high-value aldehyde derivative featuring a cyclopentene core, which serves as a critical chiral building block and synthetic intermediate in advanced organic synthesis. Its unique structure, combining an aldehyde group with a hydroxymethyl substituent on a constrained ring system, makes it a versatile precursor for constructing complex molecular architectures. This compound is primarily utilized by research chemists and process development scientists in the pharmaceutical and agrochemical industries for the synthesis of novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the synthesis of novel drug candidates, particularly in medicinal chemistry programs targeting central nervous system (CNS) disorders and anti-infective agents.
• Agrochemical Synthesis: Used in the development of advanced pesticides and herbicides, where its functionalized ring structure contributes to biological activity.
• Fine Chemical Production: Serves as a building block for the manufacture of specialty chemicals, flavors, fragrances, and advanced materials.
• Academic & Industrial Research: Employed in methodological development and as a model substrate in catalysis studies, asymmetric synthesis, and total synthesis projects.
• Ligand and Catalyst Development: The aldehyde and alcohol functionalities make it a suitable precursor for synthesizing novel chelating ligands and organocatalysts.

Basic Information

Product Name	1-Cyclopentene-1-Carboxaldehyde, 4-(Hydroxymethyl)-3,3-Dimethyl- (9Ci)
CAS No.	239085-68-8
Molecular Formula	C9H14O2
Molecular Weight	154.21 g/mol
Synonyms	4-(Hydroxymethyl)-3,3-dimethyl-1-cyclopentene-1-carboxaldehyde; 3,3-Dimethyl-4-(hydroxymethyl)-1-cyclopentene-1-carboxaldehyde; 4-(Hydroxymethyl)-3,3-dimethylcyclopent-1-ene-1-carbaldehyde; (4-Hydroxymethyl-3,3-dimethyl-1-cyclopenten-1-yl)-carboxaldehyde; CAS 239085-68-8
EINECS	Contact for details

Quality Control

Our production of 1-Cyclopentene-1-Carboxaldehyde, 4-(Hydroxymethyl)-3,3-Dimethyl- (9Ci) adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity for research and development applications. All materials are characterized by advanced analytical techniques including NMR, HPLC, and GC-MS. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to support your quality assurance and regulatory documentation needs.

Storage

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

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 0.5%

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