Description

1,5-Cyclohexadiene-1-Carboxaldehyde, 5-Methyl-3-Methylene-4-Oxo- (9Ci) is a specialized, high-purity chemical intermediate characterized by its reactive aldehyde and conjugated diene functionalities. This compound matters for its role as a versatile building block in advanced organic synthesis, enabling the construction of complex molecular architectures. It is primarily needed by research and development chemists in the pharmaceutical and agrochemical industries for creating novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of novel drug candidates and active pharmaceutical ingredients (APIs), particularly for complex heterocyclic systems.
• Agrochemical Synthesis: Used in the research and development of new pesticides, herbicides, and plant growth regulators, leveraging its reactive scaffold.
• Fine Chemical Production: Acts as a building block for synthesizing specialty chemicals, flavors, fragrances, and advanced materials.
• Academic & Industrial Research: Employed in methodological development and exploratory chemistry due to its unique combination of functional groups.
• Material Science: Investigated as a monomer or cross-linking agent for the development of novel polymers with specific optical or electronic properties.

Basic Information

Product Name	1,5-Cyclohexadiene-1-Carboxaldehyde, 5-Methyl-3-Methylene-4-Oxo- (9Ci)
CAS No.	153873-03-1
Molecular Formula	C9H10O2
Molecular Weight	150.17 g/mol
Synonyms	5-Methyl-3-methylene-4-oxo-1,5-cyclohexadiene-1-carboxaldehyde; 4-Oxo-5-methyl-3-methylene-1,5-cyclohexadiene-1-carboxaldehyde; 3-Methylene-5-methyl-4-oxo-1,5-cyclohexadiene-1-carbaldehyde; 1,5-Cyclohexadiene-1-carboxaldehyde, 5-methyl-3-methylene-4-oxo-; 153873-03-1; 5-Methyl-3-methylidene-4-oxocyclohexa-1,5-diene-1-carbaldehyde
EINECS	Contact for details

Quality Control

Our 1,5-Cyclohexadiene-1-Carboxaldehyde, 5-Methyl-3-Methylene-4-Oxo- (9Ci) is produced under strict quality management protocols. Every batch undergoes rigorous analytical testing, including HPLC, GC, NMR, and FTIR, to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting all critical parameters are available upon request to support your quality assurance and regulatory needs.

Storage

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

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder or solid
Identification (IR)	Conforms to reference spectrum
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
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.