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199680-59-6

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199680-59-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 199680-59-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,9,6,8 and 0 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 199680-59:
(8*1)+(7*9)+(6*9)+(5*6)+(4*8)+(3*0)+(2*5)+(1*9)=206
206 % 10 = 6
So 199680-59-6 is a valid CAS Registry Number.

199680-59-6Relevant articles and documents

Synthesis and structure-activity relationships of 3,7-dimethyl-1- propargylxanthine derivatives, A(2A)-selective adenosine receptor antagonists

Müller, Christa E.,Geis, Uli,Hipp, Jo,Schobert, Ulrike,Frobenius, Wolfram,Paw?owski, Maciej,Suzuki, Fumio,Sandoval-Ramírez, Jesús

, p. 4396 - 4405 (2007/10/03)

A series of 8-substituted derivatives of 3,7-dimethyl-1- propargylxanthine (DMPX) was synthesized and investigated as A(2A) adenosine receptor antagonists. Different synthetic strategies for the preparation of DMPX derivatives and analogues were explored.

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