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397247-82-4

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397247-82-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 397247-82-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,9,7,2,4 and 7 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 397247-82:
(8*3)+(7*9)+(6*7)+(5*2)+(4*4)+(3*7)+(2*8)+(1*2)=194
194 % 10 = 4
So 397247-82-4 is a valid CAS Registry Number.

397247-82-4Relevant articles and documents

Synthesis of variolin B

Ahaidar, Abderaouf,Fernández, David,Pérez, Olga,Danelón, Gerardo,Cuevas, Carmen,Manzanares, Ignacio,Albericio, Fernando,Joule, John A.,álvarez, Mercedes

, p. 6191 - 6194 (2007/10/03)

The total synthesis of variolin B from 4-methoxy-7-azaindole is described. The preparation of the protected amino derivative 10 and a coupling reaction of the iodo derivative 12 with 2-acetylamino-4-trimethylstannylpyrimidine are the key steps of the sequ

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