Description

1,3-Cyclopentadiene-1-Carboxaldehyde, 5-[(Dimethylamino)Methylene]-, (E)- (9Ci) CAS NO 53448-44-5 is a specialized, high-value organic building block featuring a reactive cyclopentadiene core functionalized with an aldehyde and an enamine group. This compound matters as a versatile precursor in advanced organic synthesis, enabling the construction of complex molecular architectures through cycloaddition and condensation reactions. It is primarily needed by research chemists and process development scientists in the pharmaceutical and agrochemical industries for creating novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: Serves as a key synthon in the synthesis of novel drug candidates, particularly those with complex polycyclic or heterocyclic frameworks.
• Agrochemical Research: Used in the development of new pesticides and herbicides, leveraging its reactive structure to create unique bioactive molecules.
• Material Science Precursor: Acts as a monomer or cross-linking agent in the development of specialty polymers and advanced organic materials.
• Dye and Pigment Synthesis: Employed in the creation of novel organic dyes and pigments due to its conjugated system and functional groups.
• Academic & R&D: A valuable reagent for methodological studies in organic chemistry, including Diels-Alder reactions and studies on enamine chemistry.
• Fine Chemical Production: Utilized in the custom synthesis of complex, high-value specialty chemicals for various industrial applications.

Basic Information

Product Name	1,3-Cyclopentadiene-1-Carboxaldehyde, 5-[(Dimethylamino)Methylene]-, (E)- (9Ci)
CAS No.	53448-44-5
Molecular Formula	C9H11NO
Molecular Weight	149.19 g/mol
Synonyms	(E)-5-[(Dimethylamino)methylene]-1,3-cyclopentadiene-1-carboxaldehyde; 2-Formyl-5-[(dimethylamino)methylene]-1,3-cyclopentadiene; 5-(Dimethylaminomethylene)cyclopenta-1,3-diene-1-carbaldehyde; (E)-5-(Dimethylaminomethylene)cyclopenta-1,3-diene-1-carboxaldehyde; 1,3-Cyclopentadiene-1-carboxaldehyde, 5-[(dimethylamino)methylene]-, (E)-; 5-(N,N-Dimethylaminomethylene)-1,3-cyclopentadiene-1-carboxaldehyde
EINECS	Contact for details

Quality Control

Our 1,3-Cyclopentadiene-1-Carboxaldehyde, 5-[(Dimethylamino)Methylene]-, (E)- is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and GC-MS, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are available upon request. We are committed to meeting the stringent requirements of research and development applications.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at 2-8°C or as specified on the label or COA. This compound is easily oxidized and light-sensitive; prolonged exposure to air, moisture, or light should be avoided to maintain stability and purity.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder or solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Melting Point	Contact for details
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.