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872164-99-3

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872164-99-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 872164-99-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,2,1,6 and 4 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 872164-99:
(8*8)+(7*7)+(6*2)+(5*1)+(4*6)+(3*4)+(2*9)+(1*9)=193
193 % 10 = 3
So 872164-99-3 is a valid CAS Registry Number.

872164-99-3Downstream Products

872164-99-3Relevant articles and documents

Electrogenerated cyanomethyl anion in organic synthesis: A simple diastereoselective synthesis of cis-3-alkyl-1-benzyl-4-ethoxycarbonyl-β- lactams

Feroci, Marta,Lessard, Jean,Orsini, Monica,Inesi, Achille

, p. 8517 - 8519 (2007/10/03)

A ready diastereoselective synthesis of cis-3-alkyl-1-benzyl-4- ethoxycarbonyl-β-lactams has been developed by galvanostatic electrolysis of MeCN-Et4NPF6 solutions and subsequent addition of a N-(ethoxycarbonyl)methyl-N-benzyl-2-bromoalkylcarboxamide. The yields in β-lactams are very high and the cis isomers have been obtained in a large excess, the cis/trans ratios varying from 87/13 to 93/07.

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