Description

Cyclohexanecarboxaldehyde, 5-Methyl-2-(1-Methylethyl)-, (1S,2R,5S)- (9Ci) is a high-purity, stereochemically defined chiral aldehyde of significant interest in advanced organic synthesis. This compound matters as a versatile and sophisticated building block for constructing complex molecular architectures with precise three-dimensional control. It is primarily needed by research and development chemists in the pharmaceutical and agrochemical industries for applications such as asymmetric synthesis, chiral ligand development, and the production of high-value fragrance and flavor intermediates.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the synthesis of active pharmaceutical ingredients (APIs) requiring specific stereochemistry.
• Agrochemical Synthesis: Used in the research and development of novel, stereoselective pesticides and herbicides.
• Asymmetric Catalysis: Serves as a precursor for chiral ligands, auxiliaries, and catalysts in enantioselective reactions.
• Fragrance & Flavor Chemistry: An important intermediate for creating specific, high-value odorants and flavor compounds with minty, woody, or herbal notes.
• Advanced Material Research: Employed in the development of chiral polymers and liquid crystals with specialized optical properties.
• Academic & Industrial R&D: A valuable reagent for methodological studies in organic chemistry and process development.

Basic Information

Product Name	Cyclohexanecarboxaldehyde, 5-Methyl-2-(1-Methylethyl)-, (1S,2R,5S)- (9Ci)
CAS No.	796865-68-4
Molecular Formula	C11H20O
Molecular Weight	168.28 g/mol
Synonyms	(1S,2R,5S)-5-Methyl-2-(1-methylethyl)cyclohexanecarboxaldehyde; (-)-Isopulegal; (1S,2R,5S)-Isopulegol-9-al; (1S,2R,5S)-p-Menthane-8-carboxaldehyde; L-Isopulegyl aldehyde; (1S,2R,5S)-2-Isopropyl-5-methylcyclohexanecarbaldehyde
EINECS	Contact for details

Quality Control

Our Cyclohexanecarboxaldehyde, 5-Methyl-2-(1-Methylethyl)-, (1S,2R,5S)- (9Ci) is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including chiral purity analysis by GC or HPLC, to ensure high enantiomeric excess (ee) and chemical purity. Certificates of Analysis (COA) detailing identity, assay, and impurity profiles are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). This material is easily oxidized (store under inert atmosphere) and is light-sensitive (store away from light). Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Enantiomeric Excess (Chiral GC/HPLC)	≥ 98.0% ee
Specific Rotation	Contact for details
Refractive Index	Contact for details
Density	~0.92 g/mL at 25°C

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