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397247-85-7

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397247-85-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 397247-85-7 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 5 respectively.
Calculate Digit Verification of CAS Registry Number 397247-85:
(8*3)+(7*9)+(6*7)+(5*2)+(4*4)+(3*7)+(2*8)+(1*5)=197
197 % 10 = 7
So 397247-85-7 is a valid CAS Registry Number.

397247-85-7Relevant articles and documents

Derivatives of variolin b

-

, (2008/06/13)

The invention provides antitumour compounds of formula (I), wherein R1 is an aromatic substituent; R2 is hydrogen or a substituent when the dotted line is absent, or R2 is absent when the dotted line represents a bond to give a double bond between the nitrogen which bears R2 and the carbon which bears R3; R3 is an oxo group ═O when the dotted line is absent or is a substituent when the dotted line represents a bond to give a double bond between the nitrogen bearing R2 and the carbon bearing R3; R4 is hydrogen or a substituent; and pharmaceutically acceptable salts thereof.

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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