Description

1,3-Cyclohexadiene-1-Carboxaldehyde, 5-Ethyl-6-Methyl-, trans- (9Ci) CAS NO 157666-54-1 is a specialized, high-purity aldehyde derivative of a substituted cyclohexadiene. This compound serves as a valuable and versatile building block in advanced organic synthesis, prized for its unique diene-aldehyde functionality. It is primarily utilized by pharmaceutical intermediates manufacturers and fine chemical research laboratories for developing novel active ingredients and complex molecular architectures.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the synthesis of complex drug candidates and active pharmaceutical ingredients (APIs).
• Fine Chemical Synthesis: Used in Diels-Alder reactions and other cycloadditions to construct intricate polycyclic frameworks.
• Agrochemical Research: Serves as a precursor in the development of novel herbicides, fungicides, and plant growth regulators.
• Flavor & Fragrance Industry: Potential intermediate for creating unique terpenoid-like aroma molecules and specialty flavors.
• Material Science: Building block for specialty polymers and advanced organic electronic materials requiring specific conformational properties.
• Academic & R&D: Critical reagent in methodological organic chemistry research and the development of new catalytic asymmetric transformations.

Basic Information

Item	Detail
Product Name	1,3-Cyclohexadiene-1-Carboxaldehyde, 5-Ethyl-6-Methyl-, trans- (9Ci)
CAS No.	157666-54-1
Molecular Formula	C10H14O
Molecular Weight	150.22 g/mol
Synonyms	trans-5-Ethyl-6-methyl-1,3-cyclohexadiene-1-carboxaldehyde; 5-Ethyl-6-methyl-1,3-cyclohexadiene-1-carbaldehyde; (1R,5S)-5-Ethyl-6-methylcyclohexa-1,3-diene-1-carbaldehyde; 157666-54-1; 1,3-Cyclohexadiene-1-carboxaldehyde, 5-ethyl-6-methyl-, trans-; 5-Ethyl-6-methyl-1,3-cyclohexadienecarboxaldehyde
EINECS	Contact for details

Quality Control

Our production of 1,3-Cyclohexadiene-1-Carboxaldehyde, 5-Ethyl-6-Methyl-, trans- (9Ci) adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and conformity to customer specifications. Certificates of Analysis (COA) are provided with each shipment and 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 ambient temperature before opening to minimize moisture ingress and oxidation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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