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121105-81-5

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121105-81-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 121105-81-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,1,0 and 5 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 121105-81:
(8*1)+(7*2)+(6*1)+(5*1)+(4*0)+(3*5)+(2*8)+(1*1)=65
65 % 10 = 5
So 121105-81-5 is a valid CAS Registry Number.

121105-81-5Downstream Products

121105-81-5Relevant articles and documents

Benzimidazole condensed ring systems. 2 [1]. New synthesis of substituted 1-oxo-1H,5-H-pyrido[1,2-a]benzimidazole-4-carbonitriles and related derivatives

Rida,Soliman,Badawey,Kappe

, p. 1725 - 1728 (2007/10/02)

The synthesis of some 3-substituted and 2,3-disubstituted-1-oxo-1H,5-H-pyrido[1,2-a]benzimidazole-4-carbonitr les 5,6 by fusing 1H-benzimidazole-2-acetonitrile 1 with some β-keto esters 2,4 in the presence of ammonium acetate or with ethyl β-aminocrotonat

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