Description

α-Methylcyclooct-1-Ene-1-Propionaldehyde is a specialized, high-value aliphatic aldehyde featuring a unique methyl-substituted cyclooctene ring system. This compound serves as a critical chiral building block and advanced intermediate in sophisticated organic synthesis, prized for its ability to impart specific structural and stereochemical features to target molecules. It is essential for R&D chemists and process development scientists in the pharmaceutical, agrochemical, and advanced fragrance industries seeking to develop novel active ingredients and complex aroma chemicals.

Application

• Pharmaceutical Intermediate: Key chiral precursor in the synthesis of novel therapeutic agents, particularly for complex macrocyclic or sterically hindered targets.
• Agrochemical Synthesis: Used in the development of advanced pesticides and herbicides where its unique carbon skeleton contributes to biological activity.
• Fine Fragrance & Flavor Ingredient: Acts as a valuable intermediate for creating unique, long-lasting musk and amber odor profiles in high-end perfumery.
• Advanced Material Research: Serves as a monomer or cross-linking agent in the development of specialty polymers with tailored properties.
• Academic & Industrial R&D: Employed in methodological studies and as a benchmark substrate in catalysis research (e.g., asymmetric hydrogenation, cycloaddition reactions).
• Chemical Reference Standard: Used for analytical method development, calibration, and quality control in laboratories requiring high-purity standards.

Basic Information

Product Name	α-Methylcyclooct-1-Ene-1-Propionaldehyde
CAS No.	94201-11-3
Molecular Formula	C₁₂H₂₀O
Molecular Weight	180.29 g/mol
Synonyms	1-Cyclooctene-1-propanal, α-methyl-; 3-(1-Methylcyclooct-1-en-1-yl)propanal; α-Methyl-1-cyclooctene-1-propanal; (1-Methylcyclooct-1-en-1-yl)propanal; Methylcyclooctenepropionaldehyde; Aldehyde C12 MCOP; MCOP Aldehyde
EINECS	Contact for details

Quality Control

Every batch of α-Methylcyclooct-1-Ene-1-Propionaldehyde is produced and tested under a strict quality management system. We provide comprehensive analytical data to ensure the compound meets the exacting standards required for research and commercial synthesis. A detailed Certificate of Analysis (COA) is supplied with each shipment, confirming identity, purity (typically ≥95% by GC or HPLC), and impurity profile. Our quality protocols are designed to support applications requiring high batch-to-batch consistency and traceability.

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. Allow the container to reach room temperature before opening to minimize moisture ingress. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 95.0%
Water Content (KF)	≤ 0.5%
Specific Rotation (if chiral)	Contact for details

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