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3-(2-[4-aminophenyl]ethenyl)-6,7-dimethoxy-1-methyl-2(1H)-quinoxalinone is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

281674-20-2

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281674-20-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 281674-20-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,8,1,6,7 and 4 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 281674-20:
(8*2)+(7*8)+(6*1)+(5*6)+(4*7)+(3*4)+(2*2)+(1*0)=152
152 % 10 = 2
So 281674-20-2 is a valid CAS Registry Number.

281674-20-2Relevant academic research and scientific papers

Synthesis and Evaluation of Thiol Probes using the 6,7-Dimethoxyquinoxalin-2(1H)-one Fluorophore

Ghorbanian, Shohreh,Mehta, Lina K.,Parrick, John

, p. 301 - 311 (2007/10/03)

The detection and estimation of thiols is an important procedure in environmental and biochemical investigations. One way in which this may be achieved is to use a fluorogenic reagent whose fluorescence changes upon reaction with a thiol. The usual reactive centres in such reagents are maleimide or iodoacetate. Reagents of this type usually have the reactive maleimide group directly attached to an aromatic ring of the fluorophore, i.e. the reagent is an N-arylmaleimide. However, recently some reagents having alkyl chains as a spacer between the fluorophore and the thiol reactive group have been prepared.

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