Description

3Ah-Indene-2-Carboxaldehyde (9Ci) is a specialized aromatic aldehyde building block used in advanced organic synthesis. This compound matters for its role as a key precursor in the development of complex molecular architectures, including pharmaceuticals and functional materials. It is primarily needed by research and development chemists in the pharmaceutical, agrochemical, and material science industries for creating novel active ingredients and specialty chemicals.

Application

• Pharmaceutical Intermediate: Serves as a critical precursor in the synthesis of novel drug candidates and active pharmaceutical ingredients (APIs).
• Agrochemical Research: Used in the development of new pesticides, herbicides, and plant growth regulators.
• Material Science: A building block for organic semiconductors, liquid crystals, and other functional organic materials.
• Organic Synthesis: Employed in academic and industrial R&D for constructing complex indene-based heterocycles and fused ring systems.
• Dye & Pigment Chemistry: Acts as an intermediate in the synthesis of specialized colorants and photochromic compounds.
• Catalyst Ligand Synthesis: Used to prepare novel ligands for asymmetric catalysis and transition metal complexes.

Basic Information

Product Name	3Ah-Indene-2-Carboxaldehyde (9Ci)
CAS No.	724765-40-6
Molecular Formula	C10H8O
Molecular Weight	144.17 g/mol
Synonyms	3aH-Indene-2-carboxaldehyde; 2-Formyl-3aH-indene; Indene-2-carboxaldehyde, 3aH-; 3aH-Indene-2-carbaldehyde; 2-Indenecarboxaldehyde, 3aH-; (3aH)-Indene-2-carboxaldehyde; 724765-40-6; 3aH-Indene-2-carboxylic aldehyde
EINECS	Contact for details

Quality Control

Our 3Ah-Indene-2-Carboxaldehyde (9Ci) is produced under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including HPLC, NMR, and GC-MS, to verify identity and purity against established specifications. Certificates of Analysis (COA) are provided with every shipment and are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This material is light-sensitive and should be handled under an inert atmosphere for prolonged stability.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
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.