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About This Item
Empirical Formula (Hill Notation):
C9H6N2O2
CAS Number:
Molecular Weight:
174.16
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22
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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
Signal Word
Warning
Hazard Statements
Precautionary Statements
Hazard Classifications
Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
Target Organs
Respiratory system
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
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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
M J Hutchinson et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 816(1-2), 15-20 (2005-01-25)
A method is described for the quantitative determination of quinoxaline-2-carboxylic acid (QCA) and methyl-3-quinoxaline-2-carboxylic acid (MQCA), the metabolites that have been designated as the marker residues for the veterinary drugs, carbadox and olaquindox, respectively, in swine tissue. The method is
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
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
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