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130916-46-0

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130916-46-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 130916-46-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,0,9,1 and 6 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 130916-46:
(8*1)+(7*3)+(6*0)+(5*9)+(4*1)+(3*6)+(2*4)+(1*6)=110
110 % 10 = 0
So 130916-46-0 is a valid CAS Registry Number.

130916-46-0Relevant articles and documents

Synthesis of New Arylbenzofurodiazepin-6-ones

Viti, Giovanni,Giannotti, Danilo,Nannicini, Rossano,Ricci, Renzo,Pestillini, Vittorio

, p. 1369 - 1375 (2007/10/02)

Two new tetracyclic structures, containing the diazepine ring, were synthesized: 5,6-dihydro-12H-benzofurobenzodiazepin-6-one and 5,6-dihydro-12H-benzofuropyridodiazepin-6-one.Thus N-(2-haloaryl)-2-acetamides were cyclized to the corresponding N-(2-haloaryl)-3-amino-2-benzofurancarboxamides and then, through the formation of the central diazepine ring, to the title compounds.Formation of the diazepine ring took place only when an electron-withdrawing group was present in the molecule to facilitate the nucleophilic attack of an amine in the benzofuran intermediate.

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