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1201939-33-4

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1201939-33-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1201939-33-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,0,1,9,3 and 9 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1201939-33:
(9*1)+(8*2)+(7*0)+(6*1)+(5*9)+(4*3)+(3*9)+(2*3)+(1*3)=124
124 % 10 = 4
So 1201939-33-4 is a valid CAS Registry Number.

1201939-33-4Relevant articles and documents

The first synthesis of 2-amino-1,4-dihydroquinolines

Viault, Guillaume,Grée, Danielle,Roisnel, Thierry,Chandrasekhar, Srivari,Grée, René

experimental part, p. 10149 - 10154 (2010/02/27)

A versatile strategy is described for the synthesis of new 2-amino-1,4-dihydroquinolines. It involved a Knoevenagel condensation of N-protected-2-amino-5-bromobenzaldehyde with ethylcyanoacetate, followed by a cyclization and protection of the NH group to

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