Description

Cyclohexanecarboxaldehyde, 5-Methyl-2-(1-Methylethyl)-, (1R,2S,5R)-Rel- (9Ci) is a high-purity, chiral aldehyde derivative of menthol, identified by CAS number 485843-44-5. This compound serves as a versatile and valuable chiral building block in advanced organic synthesis, prized for its defined stereochemistry and functional group reactivity. It is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and fine chemical industries who require high-quality intermediates for the development of active ingredients and complex molecules.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the synthesis of novel active pharmaceutical ingredients (APIs), particularly in therapeutic areas requiring stereochemical purity.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides and herbicides where specific stereoisomers are critical for bioactivity.
• Fine Chemical Production: Employed as a building block for flavors, fragrances, and other specialty chemicals that leverage its minty, terpene-related structural motif.
• Asymmetric Catalysis & Ligand Synthesis: Serves as a precursor for chiral ligands and catalysts used in stereoselective chemical transformations.
• Academic & Industrial R&D: A valuable reagent for methodological development in organic chemistry and for creating compound libraries for screening.

Basic Information

Item	Details
Product Name	Cyclohexanecarboxaldehyde, 5-Methyl-2-(1-Methylethyl)-, (1R,2S,5R)-Rel- (9Ci)
CAS No.	485843-44-5
Molecular Formula	C11H20O
Molecular Weight	168.28 g/mol
Synonyms	(-)-Menthone-8-carboxaldehyde; (1R,2S,5R)-5-Methyl-2-(propan-2-yl)cyclohexane-1-carbaldehyde; rel-(1R,2S,5R)-2-Isopropyl-5-methylcyclohexanecarboxaldehyde; 8-Formylmenthone; Chiral Menthone Aldehyde; 2-Isopropyl-5-methylcyclohexanecarboxaldehyde (rel-(1R,2S,5R)-form)
EINECS	Contact for details

Quality Control

Our production of Cyclohexanecarboxaldehyde, 5-Methyl-2-(1-Methylethyl)-, (1R,2S,5R)-Rel- (9Ci) adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including chiral purity analysis by GC or HPLC, to ensure compliance with customer specifications and high industry standards. 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, and well-ventilated place at 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 strong oxidizing agents, strong acids, and bases.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 97.0%
Chiral Purity (ee)	≥ 99.0%
Water Content (KF)	≤ 0.5%

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