Description

3-Cyclohexene-1-Carboxaldehyde, 4-Methyl-, (S)- (9Ci) is a chiral, unsaturated aldehyde building block of significant interest in advanced organic synthesis. Its defined stereochemistry and reactive aldehyde group make it a valuable precursor for constructing complex, optically active molecules. This compound is primarily sought after 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 research and development of novel active pharmaceutical ingredients (APIs), particularly in medicinal chemistry programs.
• Agrochemical Synthesis: Used in the production of advanced, stereospecific pesticides, herbicides, and plant growth regulators.
• Flavor & Fragrance Chemistry: Serves as a building block for creating complex, natural-identical aroma chemicals and specialty flavors.
• Asymmetric Catalysis Research: Employed as a standard substrate or ligand precursor in the development and testing of new chiral catalysts.
• Fine Chemical Production: Utilized in the multi-step synthesis of specialty chemicals, dyes, and advanced materials requiring specific stereochemistry.
• Academic & Industrial R&D: A valuable tool for synthetic methodology development and exploring new reaction pathways in organic chemistry.

Basic Information

Product Name	3-Cyclohexene-1-Carboxaldehyde, 4-Methyl-, (S)- (9Ci)
CAS No.	155156-87-9
Molecular Formula	C8H12O
Molecular Weight	124.18 g/mol
Synonyms	(S)-4-Methyl-3-cyclohexene-1-carboxaldehyde; (4S)-4-Methyl-3-cyclohexene-1-carbaldehyde; (-)-4-Methyl-3-cyclohexenecarboxaldehyde; (S)-p-Menth-1-en-9-al; L-4-Methyl-3-cyclohexene-1-carbaldehyde; (S)-4-Methylcyclohex-3-ene-1-carbaldehyde; (S)-4-Methyl-δ³-cyclohexenecarboxaldehyde
EINECS	Contact for details

Quality Control

Our production of 3-Cyclohexene-1-Carboxaldehyde, 4-Methyl-, (S)- (9Ci) adheres to stringent internal quality standards to ensure batch-to-batch consistency and high optical purity. Each lot is characterized using advanced analytical techniques, including chiral HPLC, GC, and NMR spectroscopy. A comprehensive Certificate of Analysis (COA) detailing identity, purity, enantiomeric excess, and impurity profile is provided with every shipment.

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 area. Recommended storage temperature is 2-8°C for long-term stability. Keep away from heat, sparks, and open flames.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0%
Enantiomeric Excess (Chiral HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%

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