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ethyl 3-(3-bromophenyl)-1,5-dioxo-2,3,5,6-tetrahydro-1H-pyrimido[1,6-a]quinoxaline-4-carboxylate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

1240263-15-3

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1240263-15-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1240263-15-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,4,0,2,6 and 3 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1240263-15:
(9*1)+(8*2)+(7*4)+(6*0)+(5*2)+(4*6)+(3*3)+(2*1)+(1*5)=103
103 % 10 = 3
So 1240263-15-3 is a valid CAS Registry Number.

1240263-15-3Downstream Products

1240263-15-3Relevant academic research and scientific papers

Heterocyclizations of functionalized heterocumulenes with C,N-, C,O-, and C,S-binucleophiles: XII. Synthesis of alkyl 3-aryl-1,5-dioxo-2,3,5,6-tetrahydro- 1H-pyrimido-[1,6-a]quinoxaline-4-carboxylates

Kushnir,Vovk

experimental part, p. 890 - 893 (2010/11/03)

Alkyl 3-oxo-1,2,3,4-tetrahydroquinoxalin-2-ylideneacetates reacted with α-chlorobenzyl isocyanates to give alkyl 3-aryl-1,5-dioxo-2,3,5,6- tetrahydro-1H-pyrimido[1,6-a]quinoxaline-4-carboxylates.

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