Description

11-Oxo-11H-Pyrido[2,1-b]quinazoline-6-carboxylic acid is a high-value heterocyclic carboxylic acid building block, primarily utilized in advanced pharmaceutical and agrochemical research and development. Its unique fused pyrido-quinazoline core structure makes it a critical intermediate for synthesizing novel compounds with potential biological activity. This product is essential for R&D chemists and process development scientists in the pharmaceutical, agrochemical, and fine chemical industries seeking to develop new active ingredients.

Application

• Pharmaceutical Intermediate: Serves as a key synthon in the research and synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders, anti-inflammatory agents, or kinase inhibitors.
• Agrochemical Research: Used as a building block for developing new herbicides, fungicides, or insecticides with novel modes of action.
• Material Science Precursor: Potential use in the synthesis of organic semiconductors, ligands for metal-organic frameworks (MOFs), or specialty dyes and pigments.
• Academic & Contract Research: A valuable reagent for universities and CROs (Contract Research Organizations) conducting fundamental research in heterocyclic and medicinal chemistry.
• Fine Chemical Synthesis: Employed in multi-step synthetic routes to create complex, high-value molecules for various specialty chemical applications.

Basic Information

Product Name	11-Oxo-11H-Pyrido[2,1-b]quinazoline-6-carboxylic Acid
CAS No.	4393-98-0
Molecular Formula	C₁₄H₈N₂O₃
Molecular Weight	252.23 g/mol
Synonyms	11-Oxo-11H-pyrido[2,1-b]quinazoline-6-carboxylic acid; 6-Quinazolinecarboxylic acid, 11-oxo-11H-pyrido[2,1-b]quinazoline-; Pyrido[2,1-b]quinazoline-6-carboxylic acid, 11-oxo-11H-; 11H-Pyrido[2,1-b]quinazoline-6-carboxylic acid, 11-oxo-; 4393-98-0; Quinazoline-6-carboxylic acid derivative
EINECS	Contact for details

Quality Control

Our 11-Oxo-11H-Pyrido[2,1-b]quinazoline-6-carboxylic acid is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity, NMR and IR for structural confirmation, and residual solvent analysis, to ensure it meets the high standards required for research and development. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials such as strong bases and strong oxidizing agents.

Specification

Item	Specification
Appearance	Yellow to light brown powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.