Description

Ethyl 4-Methyl-5-Oxo-4,5-Dihydro[1,2,3]Triazolo[1,5-A]Quinazoline-3-Carboxylate is a high-value, heterocyclic organic compound that serves as a critical synthetic intermediate in advanced pharmaceutical and agrochemical research. Its complex fused-ring structure makes it a versatile building block for developing novel active ingredients with targeted biological properties. This compound is primarily sought by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and fine chemical industries for the synthesis of new drug candidates and specialty chemicals.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel quinazoline and triazolopyrimidine-based drug candidates, particularly for oncology and CNS targets.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides, leveraging its heterocyclic scaffold for bioactivity.
• Chemical Biology Probe: Serves as a core structure for designing molecular probes to study enzyme function and biological pathways.
• Material Science Precursor: Potential intermediate in the synthesis of organic electronic materials and advanced polymers due to its conjugated system.
• Academic & Contract Research: Essential reagent for methodology development and synthetic chemistry studies in academic and CRO laboratories.

Basic Information

Product Name	Ethyl 4-Methyl-5-Oxo-4,5-Dihydro[1,2,3]Triazolo[1,5-A]Quinazoline-3-Carboxylate
CAS No.	176692-55-0
Molecular Formula	C₁₄H₁₂N₄O₃
Molecular Weight	284.27 g/mol
Synonyms	Ethyl 4-methyl-5-oxo-4,5-dihydro-[1,2,3]triazolo[1,5-a]quinazoline-3-carboxylate; 4,5-Dihydro-4-methyl-5-oxo[1,2,3]triazolo[1,5-a]quinazoline-3-carboxylic acid ethyl ester; [1,2,3]Triazolo[1,5-a]quinazoline-3-carboxylic acid, 4,5-dihydro-4-methyl-5-oxo-, ethyl ester; Ethyl 4-methyl-5-oxo-4,5-dihydro-1,2,3-triazolo[1,5-a]quinazoline-3-carboxylate; 176692-55-0; UNII-9K9T7JZ0QO; 9K9T7JZ0QO
EINECS	Contact for details

Quality Control

Our production of Ethyl 4-Methyl-5-Oxo-4,5-Dihydro[1,2,3]Triazolo[1,5-A]Quinazoline-3-Carboxylate adheres to strict quality management protocols to ensure batch-to-batch consistency and high purity for research and development applications. Each lot is supported by a comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles. We employ advanced analytical techniques including HPLC, NMR, and MS for characterization, ensuring the material meets the exacting standards required for pharmaceutical intermediate use.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep the container tightly sealed in a dry environment to prevent moisture absorption. Handle and store in accordance with good laboratory practices.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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