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93683-69-3

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93683-69-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 93683-69-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,3,6,8 and 3 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 93683-69:
(7*9)+(6*3)+(5*6)+(4*8)+(3*3)+(2*6)+(1*9)=173
173 % 10 = 3
So 93683-69-3 is a valid CAS Registry Number.

93683-69-3Relevant articles and documents

Folate Antagonists. 21. Synthesis of Antimalarial Properties of 2,4-Diamino-6-(benzylamino)pyridopyrimidines

Colbry, Norman L.,Elslager, Edward F.,Werbel, Leslie M.

, p. 248 - 252 (2007/10/02)

The synthesis and antimalarial activity of a series of 2,4,6-triaminopyridopyrimidines (4) is described.Several 6-substituted benzylmethylamino analogues were more active against trophozoite induced Plasmodium berghei in mice than the corresponding quinazoline analogues.These agents, however, are cross-resistant to other antifolate compounds and are thus of limited potential as human agents.

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