Cas 220276-74-4,C15H17N5OS

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Check Digit Verification of cas no

The CAS Registry Mumber 220276-74-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,0,2,7 and 6 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 220276-74:
(8*2)+(7*2)+(6*0)+(5*2)+(4*7)+(3*6)+(2*7)+(1*4)=104
104 % 10 = 4
So 220276-74-4 is a valid CAS Registry Number.

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220276-74-4Relevant academic research and scientific papers

Studies on pyrazine derivatives. XXXII. Synthesis and tuberculostatic activity of acetylpyrazine thiosemicarbazone derivatives

Milczarska, Barbara,Foks, Henryk,Trapkowski, Zbigniew,Milzynska-Kolaczek, Agnieszka,Janowiec, Mieczyslaw,Zwolska, Zofia,Andrzejczyk, Zofia

, p. 289 - 295 (2007/10/03)

Syntheses of 4-N-substituted thiosemicarbazoic acetylpyrazine derivatives have been described. The in vitro microbiological investigations of the 25 synthesized compound were carried out.

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