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74882-52-3

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74882-52-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 74882-52-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,8,8 and 2 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 74882-52:
(7*7)+(6*4)+(5*8)+(4*8)+(3*2)+(2*5)+(1*2)=163
163 % 10 = 3
So 74882-52-3 is a valid CAS Registry Number.

74882-52-3Relevant articles and documents

HCV INHIBITORS

-

Page/Page column 58, (2010/11/29)

The present invention provides HCV polymerase inhibiting compounds having the formula (I) where R1is cyclobutyl-N(Ra)-, n is 1, 2, 3 or 4, and at least one R5 is RaSO2N(Rj)alkyl-. In a non-

Electrosynthesis and in situ chemical rearrangement of o-nitrosobenzamides

Guilbaud-Criqui, A.,Moinet, C.

, p. 101 - 110 (2007/10/02)

Primary and secondary o-nitrosobenzamides can be prepared in a "redox" cell but are unstable in the solvent used for electrolysis (acetate buffer-alcohol).At room temperature N-aryl-2-nitrosobenzamides give 2-carboxyazobenzenes.N-alkyl-2-nitrosobenzamides decompose thermally into 2-methoxy or 2-ethoxycarbonylphenylhydrazones according to the alcohol used.Similarly, methyl benzoate (or ethyl benzoate) is obtained from 2-nitrosobenzamide.A possible mechanism involves an unstable heterocycle formed by the coupling of the two nitrogen atoms (nitroso and amide) followed by cleavage of the carbonyl-nitrogen bond resulting from nucleophilic attack of the solvent (water or alcohol). Key Words: flow cell electrosynthesis / 2-nitrosobenzamides / 2-carboxyazobenzenes / 2-alkoxycarbonylphenylhydrazones / indazol-3-one

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