Description

5-Quinazolinecarboxaldehyde (9Ci) is a versatile and high-purity organic building block with the CAS number 873653-76-0. This compound is a critical intermediate in the synthesis of complex heterocyclic molecules, prized for its reactive aldehyde functional group. It is primarily utilized by research chemists and process development scientists in the pharmaceutical, agrochemical, and advanced materials sectors for creating novel active ingredients and functional compounds.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of quinazoline-based drug candidates, including kinase inhibitors and anticancer agents.
• Agrochemical Research: Used in developing novel herbicides, fungicides, and plant growth regulators that leverage the quinazoline scaffold.
• Organic Synthesis Building Block: Serves as a versatile starting material for constructing complex heterocycles, ligands, and functionalized organic molecules in academic and industrial R&D.
• Material Science: Employed in the research and development of organic electronic materials, dyes, and photoactive compounds.
• Chemical Biology Probes: Utilized as a reactive handle for bioconjugation and the development of molecular probes for biological target identification.

Basic Information

Product Name	5-Quinazolinecarboxaldehyde (9Ci)
CAS No.	873653-76-0
Molecular Formula	C9H6N2O
Molecular Weight	158.16 g/mol
Synonyms	Quinazoline-5-carboxaldehyde; 5-Formylquinazoline; 5-Quinazolinecarboxaldehyde; 5-Quinazolinecarbaldehyde; 873653-76-0; Quinazoline-5-carbaldehyde; 5-Carbaldehyde quinazoline
EINECS	Contact for details

Quality Control

Our 5-Quinazolinecarboxaldehyde (9Ci) is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and FTIR, to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment to guarantee compliance with your research and development requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). This material is easily oxidized (store under inert atmosphere) and is light-sensitive (store away from light). Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 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.