Description

1-Cyclopentene-1-Carboxaldehyde, 4,5-Dimethyl-, trans- (8Ci) is a specialized, high-purity aldehyde derivative of a substituted cyclopentene ring system, identified by CAS No. 6552-82-5. This compound serves as a valuable and versatile chiral building block for the synthesis of complex organic molecules, particularly in the pharmaceutical and agrochemical sectors. Its unique sterically defined structure makes it an essential intermediate for researchers and manufacturers developing active ingredients, flavors, fragrances, and advanced materials.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the research and development of novel active pharmaceutical ingredients (APIs), especially in stereoselective synthesis.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and plant growth regulators requiring specific stereochemistry.
• Flavor & Fragrance (F&F) Industry: Acts as a precursor for creating unique, complex aroma chemicals and flavoring agents.
• Fine Chemical Production: Employed in the manufacture of specialty chemicals, catalysts, and ligands for asymmetric catalysis.
• Material Science Research: Investigated as a monomer or precursor for novel polymers and advanced organic materials with specific functional properties.
• Academic & R&D Laboratories: Serves as a standard or starting material for methodological studies in organic chemistry and total synthesis projects.

Basic Information

Product Name	1-Cyclopentene-1-Carboxaldehyde, 4,5-Dimethyl-, trans- (8Ci)
CAS No.	6552-82-5
Molecular Formula	C8H12O
Molecular Weight	124.18 g/mol
Synonyms	trans-4,5-Dimethyl-1-cyclopentene-1-carboxaldehyde; (1R,4S)-4,5-Dimethylcyclopent-2-ene-1-carbaldehyde; 4,5-Dimethyl-1-cyclopentene-1-carbaldehyde; 6552-82-5; 1-Cyclopentene-1-carboxaldehyde, 4,5-dimethyl-, trans-; trans-4,5-Dimethylcyclopent-2-ene-1-carbaldehyde
EINECS	Contact for details

Quality Control

Every batch of 1-Cyclopentene-1-Carboxaldehyde, 4,5-Dimethyl-, trans- is produced and analyzed under strict quality management protocols to ensure identity, purity, and consistency. Our products undergo rigorous quality testing to ensure compliance with industry standards. Certificates of Analysis (COA) detailing specific batch results for purity, enantiomeric excess (where applicable), and impurity profiles are available upon request.

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 place. Recommended storage temperature is 2-8°C for long-term stability. Allow the container to reach room temperature before opening to minimize moisture ingress.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 95.0%
Water Content (KF)	≤ 0.5%
Specific Rotation (if chiral)	Contact for details

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