Description

4A(4H)-Naphthalenecarboxaldehyde, 3,8A-Dihydro-, (4As-Cis)- (9Ci) is a specialized, high-purity chemical intermediate with a unique fused-ring structure. This compound matters for its role as a critical building block in the synthesis of complex organic molecules, particularly in advanced pharmaceutical and agrochemical research. It is needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and fine chemical industries for creating novel active ingredients and functional materials. The CAS number for this product is 123289-82-7.

Application

This advanced chemical intermediate serves as a versatile precursor in several high-value synthetic pathways.

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates, particularly those with complex polycyclic frameworks.
• Agrochemical Synthesis: Used in the research and development of new pesticides and herbicides, leveraging its reactive aldehyde functionality.
• Material Science Research: Acts as a monomer or precursor for the development of organic semiconductors, dyes, and photoactive materials.
• Academic & Industrial R&D: Essential for methodological studies in organic synthesis, including cycloaddition reactions and asymmetric catalysis.
• Fine Chemical Production: Employed in the custom synthesis of specialty chemicals for electronics and performance materials.

Basic Information

Product Name	4A(4H)-Naphthalenecarboxaldehyde, 3,8A-Dihydro-, (4As-Cis)- (9Ci)
CAS No.	123289-82-7
Molecular Formula	C₁₁H₁₀O
Molecular Weight	158.20 g/mol
Synonyms	(4as-cis)-3,8a-Dihydro-4a(4H)-naphthalenecarboxaldehyde; 3,8a-Dihydro-4aH-naphthalene-4a-carbaldehyde; 4a,5,6,7,8,8a-Hexahydro-4a-naphthalenecarboxaldehyde; cis-3,8a-Dihydro-4a(4H)-naphthalenecarboxaldehyde; 4a(4H)-Naphthalenecarboxaldehyde, 3,8a-dihydro-, (4aR,8aS)-rel-; NSC 339063
EINECS	Contact for details

Quality Control

Our 4A(4H)-Naphthalenecarboxaldehyde, 3,8A-Dihydro-, (4As-Cis)- (9Ci) is produced under strict quality management protocols. Every batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all critical quality attributes. Our commitment to quality supports compliance in cGMP and ISO 9001 environments for research and development applications.

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). This compound is easily oxidized and should be handled and stored 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	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Identification (NMR)	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.