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288571-51-7

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288571-51-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 288571-51-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,8,8,5,7 and 1 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 288571-51:
(8*2)+(7*8)+(6*8)+(5*5)+(4*7)+(3*1)+(2*5)+(1*1)=187
187 % 10 = 7
So 288571-51-7 is a valid CAS Registry Number.

288571-51-7Relevant articles and documents

Antimalarial sulfide, sulfone, and sulfonamide trioxanes

Posner, Gary H.,Maxwell, John P.,O'Dowd, Hardwin,Krasavin, Mikhail,Xie, Suji,Shapiro, Theresa A.

, p. 1361 - 1370 (2007/10/03)

A series of trioxanes featuring sulfide, sulfone, and sulfonamide substituents in diverse positions has been prepared. Structure-activity relationship (SAR) generalizations highlight two major factors controlling the antimalarial potency of these new chemical entities: (1) the proximity of the sulfur-containing substituent to the crucial peroxide bond and (2) the oxidation state of the sulfur-containing substituent. Generally, sulfones are more antimalarially potent than the corresponding sulfides. Copyright (C) 2000 Elsevier Science Ltd.

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