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104309-80-0

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104309-80-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 104309-80-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,4,3,0 and 9 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 104309-80:
(8*1)+(7*0)+(6*4)+(5*3)+(4*0)+(3*9)+(2*8)+(1*0)=90
90 % 10 = 0
So 104309-80-0 is a valid CAS Registry Number.

104309-80-0Relevant articles and documents

CYCLIZATION REACTIONS OF NITRILES. XXVII. THE STRUCTURE AND CONFORMATIONALLY AMBIDENT HETEROCYCLIZATION OF SUBSTITUTED 2-(THIOCARBAMOYL-2-CYANOETHYL)-3-OXO-1-CYCLOHEXENOLATES

Goncharenko, M. P.,Sharanin, Yu. A.,Shestopalov, A. M.,Litvinov, V. P.,Turov, A. V.

, p. 1362 - 1370 (2007/10/02)

The reaction of arylmethylenecyanoacetamides with dimedone in the presence of bases proceeds with the formation of anti isomers of derivatives of ammonium 2-(2-thiocarbamoyl-2-cyanoethyl)-3-oxo-1-cyclohexen-1-olate.The ambident cyclization of these compou

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