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Merck
CN

89276

3-(Chlorocarbonyl)-6,7-dimethoxy-1-methyl-2(1H)-quinoxalinone

derivatization grade (HPLC), ≥95.0% (HPLC)

Synonym(s):

3,4-Dihydro-6,7-dimethoxy-4-methyl-3-oxo-2-quinoxalinecarbonyl chloride, 6,7-Dimethoxy-1-methyl-2(1H)-quinoxalinone-3-carbonyl chloride, DMEQ-COCl

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About This Item

Empirical Formula (Hill Notation):
C12H11ClN2O4
CAS Number:
104077-15-8
Molecular Weight:
282.68
PubChem Substance ID:
329769719
UNSPSC Code:
41121813
Beilstein/REAXYS Number:
4198803
MDL number:
MFCD01075069

Key Documents

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SMILES string

O=C1C(C(Cl)=O)=NC2=CC(OC)=C(OC)C=C2N1C

InChI key

HQUXEWBKFUSDKC-UHFFFAOYSA-N

InChI

1S/C12H11ClN2O4/c1-15-7-5-9(19-3)8(18-2)4-6(7)14-10(11(13)16)12(15)17/h4-5H,1-3H3

grade

derivatization grade (HPLC)

assay

≥95.0% (HPLC)

form

powder

storage temp.

−20°C

Quality Level

100

Other Notes

Discover LiChropur reagents ideal for HPLC or LC-MS analysis

pictograms

Corrosion
GHS05

signalword

Danger

hcodes

H314

Hazard Classifications

Eye Dam. 1 - Skin Corr. 1C

Storage Class

8A - Combustible corrosive hazardous materials

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
BCBW9492

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2-(5-Chlorocarbonyl-2-oxazolyl)-5, 6-methylenedioxybenzofuran as fluorescence derivatization reagent for alcohols in high performance liquid chromatography.
Nagaoka, H., et al.
Analytical Sciences, 5, 525-530 (1989)
3,4-Dihydro-6, 7-dimethoxy-4-methyl-3-oxoquinoxaline-2-carbonyl chloride as a sensitive fluorescence derivatization reagent for amines in liquid chromatography.
Ishida, J., et al.
Analytica Chimica Acta, 223, 319-326 (1989)
3,4-Dihydro-6,7-dimethoxy-4-methyl-3-oxo-quinoxaline-2-carbonyl chloride as a highly sensitive fluorescence derivatization reagent for alcohols in high-performance liquid chromatography.
Iwata, T., et al.
Journal of Chromatography A, 362, 209-216 (1986)
Improved preparation and structural conformation of the fluorescence labelling reagents 1,2-diamino-4,5-dimethoxybenzene and 3,4-dihydro-6,7-dimethoxy-4-methyl-3-oxo-quinoxaline-2-carbonyl chloride.
K J Dave et al.
Journal of pharmaceutical and biomedical analysis, 8(3), 307-312 (1990-01-01)
High performance liquid chromatography of bioactive substances using bifunctional fluorogenic reagents for derivatization A review.
Ohkura, Y.
Analytical Sciences, 5, 371-388 (1989)
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