Description

Cyclohexanecarboxaldehyde, 4-Methyl-2-Oxo-, (4R)- (9Ci) is a high-purity, chiral aldehyde building block of significant interest in advanced organic synthesis. Its defined stereochemistry and reactive carbonyl group make it a valuable precursor for constructing complex, optically active molecules. This compound is primarily sought after by research institutions and pharmaceutical companies engaged in the development of novel active pharmaceutical ingredients (APIs) and fine chemicals.

Application

• Pharmaceutical Intermediate: A key chiral synthon in the multi-step synthesis of potential drug candidates, particularly in therapeutic areas requiring high stereochemical purity.
• Asymmetric Synthesis: Utilized as a starting material or intermediate in catalytic asymmetric reactions to introduce the (4R)-stereocenter into more complex molecular architectures.
• Fine Chemical Production: Serves as a building block for the manufacture of specialty chemicals, including fragrances, agrochemicals, and advanced materials where specific chirality is crucial.
• Academic & Process Chemistry Research: Employed in methodological studies and route scouting for the efficient construction of chiral cyclohexane derivatives.

Basic Information

Product Name	Cyclohexanecarboxaldehyde, 4-Methyl-2-Oxo-, (4R)- (9Ci)
CAS No.	128572-92-9
Molecular Formula	C9H14O2
Molecular Weight	154.21 g/mol
Synonyms	(4R)-4-Methyl-2-oxocyclohexanecarbaldehyde; (R)-4-Methyl-2-oxocyclohexanecarboxaldehyde; 4-Methyl-2-oxocyclohexanecarboxaldehyde, (4R)-; (4R)-4-Methyl-2-oxocyclohexane-1-carbaldehyde; 2-Oxo-4-methylcyclohexanecarboxaldehyde, (4R)-
EINECS	Contact for details

Quality Control

Our production of Cyclohexanecarboxaldehyde, 4-Methyl-2-Oxo-, (4R)- (9Ci) adheres to stringent quality protocols to ensure batch-to-batch consistency and high chiral purity. Each lot is characterized using advanced analytical techniques including chiral HPLC, GC, NMR, and IR spectroscopy. A comprehensive Certificate of Analysis (COA) detailing identity, purity, enantiomeric excess, and impurity profile is provided with every shipment to support your quality and regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). Due to its sensitivity to oxidation, it is recommended to store the material under an inert atmosphere (e.g., nitrogen or argon) for long-term preservation. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 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.