Cas 189895-63-4,Thiazolo[4,5-d]pyrimidine-2(3H)-thione, 5,7-diazido-3-phenyl-

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Check Digit Verification of cas no

The CAS Registry Mumber 189895-63-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,9,8,9 and 5 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 189895-63:
(8*1)+(7*8)+(6*9)+(5*8)+(4*9)+(3*5)+(2*6)+(1*3)=224
224 % 10 = 4
So 189895-63-4 is a valid CAS Registry Number.

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189895-63-4Relevant academic research and scientific papers

Condensed Thiazoles, I: Synthesis of 5,7-Disubstituted Thiazolo[4,5-d]pyrimidines as Possible Anti-HIV, Anticancer, and Antimicrobial Agents

Habib,Rida,Badawey,Fahmy

, p. 1203 - 1207 (2007/10/03)

A convenient and simple synthesis of 5-mercapto-3-phenyl-2-thioxo-2,3-dihydrothiazolo-[4,5-J]pyrimidin-7(6H)-one (2) and its 5,7-dichloro (3), 5,7-diazido (4), 5,7-diamino (5), 5,7-dimerapto (6), 5,7-dimethylthio (7), and 6-methyl-5-methylthio (8) derivat

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