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115802-59-0

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115802-59-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 115802-59-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,5,8,0 and 2 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 115802-59:
(8*1)+(7*1)+(6*5)+(5*8)+(4*0)+(3*2)+(2*5)+(1*9)=110
110 % 10 = 0
So 115802-59-0 is a valid CAS Registry Number.

115802-59-0Relevant articles and documents

Niobium pentachloride promoted conversion of carboxylic acids to carboxamides: Synthesis of the 4-aryl-1,2,3,4-tetrahydroisoquinoline alkaloid structures

Nery, Marcelo S.,Ribeiro, Renata P.,Lopes, Claudio C.,Lopes, Rosangela S. C.

, p. 272 - 276 (2007/10/03)

A practical method for the conversion of carboxylic acids to the corresponding carboxamides mediated by niobium pentachloride under mild conditions is described. The synthesis of the 4-aryl-1,2,3,4-tetrahydroisoquinoline alkaloid structures was accomplished via benzylic lithiation of N-methyl-3,4-dimethoxy-2-(4′-methoxybenzyl)benzamide.

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