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3-amino-2-anilino-4-cyanopyrido[4,3-b]indole is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

1240503-48-3

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1240503-48-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1240503-48-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,4,0,5,0 and 3 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1240503-48:
(9*1)+(8*2)+(7*4)+(6*0)+(5*5)+(4*0)+(3*3)+(2*4)+(1*8)=103
103 % 10 = 3
So 1240503-48-3 is a valid CAS Registry Number.

1240503-48-3Relevant academic research and scientific papers

2-Dicyanomethylidene-3-ethoxymethylidene-2,3-dihydroindole in the synthesis of fused tri-and tetracyclic systems

Smirnova,Golovko,Alekseeva,Chernyshev,Granik

, p. 177 - 185 (2010)

The reactions of 2-dicyanomethylidene-3-ethoxymethylidene-2,3-dihydroindole with hydrazine hydrate and phenylhydrazine afforded 2,3-diamino-4- cyanopyrido[4,3-b]indole and 3-amino-2-anilino-4-cyanopyrido[4,3-b]indole, respectively, and the reactions of th

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