Description

3-Phenyl-1,2,3,4-Tetrahydro-Quinoxaline-5-Carboxylic Acid is a high-purity, synthetically derived heterocyclic carboxylic acid building block. This compound is valued for its unique fused quinoxaline-phenyl ring structure, which serves as a critical scaffold in advanced pharmaceutical and agrochemical research. It is primarily sought by R&D chemists and process development scientists in the life sciences sector for the synthesis of novel active ingredients.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of potential drug candidates targeting central nervous system (CNS) disorders, oncology, and infectious diseases.
• Agrochemical Research: Used as a building block for developing new herbicides, fungicides, and insecticides with novel modes of action.
• Chemical Biology Probe: Serves as a core structure for creating molecular probes to study enzyme function and protein-ligand interactions.
• Material Science: Investigated as a monomer or additive for creating specialty polymers with specific optical or electronic properties.
• Academic & Contract Research: Employed in university and CRO laboratories for methodological studies in organic synthesis and heterocyclic chemistry.

Basic Information

Product Name	3-Phenyl-1,2,3,4-Tetrahydro-Quinoxaline-5-Carboxylic Acid
CAS No.	946386-66-9
Molecular Formula	C15H14N2O2
Molecular Weight	254.29 g/mol
Synonyms	5-Quinoxalinecarboxylic acid, 1,2,3,4-tetrahydro-3-phenyl-; 3-Phenyl-1,2,3,4-tetrahydroquinoxaline-5-carboxylic acid; 1,2,3,4-Tetrahydro-3-phenylquinoxaline-5-carboxylic acid; THPQ-5-COOH; 946386-66-9; 3-Phenyl-THQ-5-acid
EINECS	Contact for details

Quality Control

Our 3-Phenyl-1,2,3,4-Tetrahydro-Quinoxaline-5-Carboxylic Acid is manufactured under strict quality management systems. Each batch is subjected to rigorous analytical testing, including HPLC for purity and NMR/IR for structural confirmation, to ensure it meets the high standards required for research and development. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment.

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). Keep the container tightly sealed to protect from moisture.

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%

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