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17202-57-2

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17202-57-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 17202-57-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,2,0 and 2 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 17202-57:
(7*1)+(6*7)+(5*2)+(4*0)+(3*2)+(2*5)+(1*7)=82
82 % 10 = 2
So 17202-57-2 is a valid CAS Registry Number.

17202-57-2Relevant articles and documents

Hepatitis C Virus Inhibitors

-

Paragraph 2317, (2015/02/25)

The present disclosure is generally directed to antiviral compounds, and more specifically directed to combinations of compounds which can inhibit the function of the NS5A protein encoded by Hepatitis C virus (HCV), compositions comprising such combinations, and methods for inhibiting the function of the NS5A protein.

The first synthesis of nitro-substituted cyclopropanes and spiropentanes via oxidation of the corresponding amino derivatives

Volkova, Yuliya A.,Ivanova, Olga A.,Budynina, Ekaterina M.,Revunov, Eugene V.,Averina, Elena B.

scheme or table, p. 2793 - 2796 (2009/09/28)

A novel approach to nitro-substituted cyclopropanes and spiropentanes via oxidation of the corresponding amines with dimethyldioxirane is reported. The method is used successfully for the preparation of a series of nitrocyclopropanes as well as for the first synthesis of 1,4-dinitrospiro[2.2]pentane.

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