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293407

Sigma-Aldrich

2-Quinoxalinecarboxylic acid

97%

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About This Item

Fórmula empírica (notación de Hill):
C9H6N2O2
Número de CAS:
879-65-2
Peso molecular:
174.16
MDL number:
MFCD00012334
UNSPSC Code:
12352100
PubChem Substance ID:
24857655
NACRES:
NA.22

assay

97%

mp

208 °C (dec.) (lit.)

functional group

carboxylic acid

SMILES string

OC(=O)c1cnc2ccccc2n1

InChI

1S/C9H6N2O2/c12-9(13)8-5-10-6-3-1-2-4-7(6)11-8/h1-5H,(H,12,13)

InChI key

UPUZGXILYFKSGE-UHFFFAOYSA-N

General description

Linear and Freundlich adsorption isotherm coefficient of 2-quinoxalinecarboxylic acid has been evaluated.

Application

2-Quinoxalinecarboxylic acid has been used in the preparation of:
  • N-(2-quinoxaloyl)-α-amino acids
  • bisquinoxaloyl (bisquinoxalinecarbonyl) derivatives

pictograms

Exclamation mark
GHS07

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

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Certificados de análisis (COA)

Lot/Batch Number
0000237949
BGBC5334V
BGBC4987V
02010CJ
16629KD

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M Rutalj et al.
Food additives and contaminants, 13(8), 879-882 (1996-11-01)
The concentration of quinoxaline-2-carboxylic acid (QCA) determined by HPLC after alkaline hydrolysis of liver and muscle of swine, ranged from < 3 ng/g to 45.3 ng/g in liver, and from < 3 ng/g to 10.8 ng/g in muscle samples. After
Synthetic Approaches to Quinoxaline Antibiotics. Synthesis of Bisquinoxaloyl Derivatives1a.
Koppel HC, et al.
The Journal of Organic Chemistry, 28(4), 1119-1122 (1963)
Joshua A Hagen et al.
Sensors (Basel, Switzerland), 11(7), 6645-6655 (2011-12-14)
Zinc oxide field effect transistors (ZnO-FET), covalently functionalized with single stranded DNA aptamers, provide a highly selective platform for label-free small molecule sensing. The nanostructured surface morphology of ZnO provides high sensitivity and room temperature deposition allows for a wide
Lingli Huang et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 874(1-2), 7-14 (2008-10-08)
Cyadox (CYX) is an antimicrobial growth-promoter of the quinoxalines. It is highly effective on improving growth and feed conversion of chicken with little toxicity. For food safety concerns, HPLC-UV methods were developed for the sequential determination of CYX and its
D Peng et al.
Food additives & contaminants. Part A, Chemistry, analysis, control, exposure & risk assessment, 28(11), 1524-1533 (2011-08-11)
The feed drug additive carbadox is a suspected carcinogen and mutagen. To monitor effectively residues of carbadox in the edible tissues of food-producing animals, an indirect competitive enzyme-linked immunosorbent assay (ic-ELISA) to detect quinoxaline-2-carboxylic acid, the marker residue of carbadox
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