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104960-57-8

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104960-57-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 104960-57-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,4,9,6 and 0 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 104960-57:
(8*1)+(7*0)+(6*4)+(5*9)+(4*6)+(3*0)+(2*5)+(1*7)=118
118 % 10 = 8
So 104960-57-8 is a valid CAS Registry Number.

104960-57-8Relevant articles and documents

CYCLIZATION OF NITRILES. XVIII. SYNTHESIS AND SOME TRANSFORMATIONS OF 6-ARYL-4-TRIFLUOROMETHYL-3-CYANO-2(1H)-PYRIDINETHIONES

Rodinovskaya, L. A.,Sharanin, Yu. A.,Litvinov, V. P.,Shestopalov, A. M.,Promonenkov, V. K.,et al.

, p. 2230 - 2235 (2007/10/02)

The reaction of 3-benzoyl- and 3-(2-thenoyl)-1,1,1-trifluoroacetone and also of 1-benzoyl- and 1-(2-thenoyl)-2-(1-morpholino)-3,3,3-trifluoro-1-propenes with cyanothioacetamide provides a convenient method for the production of 6-phenyl- and 6-(2-thienyl)-4-trifluoromethyl-3-cyano-2(1H)-pyridine thiones, which are used in the synthesis of substituted 3-aminothienopyridines and other condensed heterocyclic systems.

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