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Merck
모든 사진(1)

문서

293407

Sigma-Aldrich

2-Quinoxalinecarboxylic acid

97%

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About This Item

실험식(Hill 표기법):
C9H6N2O2
CAS Number:
Molecular Weight:
174.16
MDL number:
UNSPSC 코드:
12352100
PubChem Substance ID:
NACRES:
NA.22

분석

97%

mp

208 °C (dec.) (lit.)

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

일반 설명

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

애플리케이션

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

픽토그램

Exclamation mark

신호어

Warning

유해 및 위험 성명서

Hazard Classifications

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

표적 기관

Respiratory system

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point (°F)

Not applicable

Flash Point (°C)

Not applicable

개인 보호 장비

dust mask type N95 (US), Eyeshields, Gloves


시험 성적서(COA)

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문서 라이브러리 방문

N Prabavathi et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 92, 325-335 (2012-03-27)
The FTIR and FT-Raman spectra of 2-quinoxaline carboxylic acid (2-QCA) has been recorded in the region 4000-450 and 4000-100 cm(-1), respectively. The conformational analysis, optimized geometry, frequency and intensity of the vibrational bands of 2-QCA were obtained by the density
M D Rose et al.
Food additives and contaminants, 12(2), 177-183 (1995-03-01)
A method for the determination of residues of quinoxaline-2-carboxylic acid (QCA), the major metabolite of carbadox, in pig kidney has been developed. Tissue samples were subjected to alkaline hydrolysis, liquid-liquid extractions, ion-exchange chromatography and further extraction to concentrate the analyte
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
Alex P Praseuth et al.
Biotechnology progress, 24(1), 134-139 (2008-01-05)
Proficient production of the antitumor agent triostin A was developed using engineered Escherichia coli (E. coli). The bacterium played host to 15 genes that encode integral biosynthetic proteins which were identified and cloned from Streptomyces lasaliensis. In this study, triostin
Kento Koketsu et al.
Organic letters, 8(21), 4719-4722 (2006-10-06)
[reaction: see text] Little is known about how quinoxaline-2-carboxylic acid (QC) is synthesized in nature. On the basis of analysis of echinomycin biosynthetic gene clusters as well as feeding experiments with labeled precursors, we have proposed a biosynthetic pathway to

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