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119461-42-6

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119461-42-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 119461-42-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,9,4,6 and 1 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 119461-42:
(8*1)+(7*1)+(6*9)+(5*4)+(4*6)+(3*1)+(2*4)+(1*2)=126
126 % 10 = 6
So 119461-42-6 is a valid CAS Registry Number.

119461-42-6Relevant articles and documents

SYNTHESIS OF SUBSTITUTED TETRAHYDROPYRIDINES BY CYCLIZATIONS OF SILICON-CONTAINING IMINIUM IONS

Daub, G. William,Heerding, Dirk A.,Overman, Larry E.

, p. 3919 - 3930 (2007/10/02)

Trans-2,6-disubstituted-1,2,5,6-tetrahydropyridines are formed stereoselectively from the cyclization of silicon-containing iminium cations 5 if the nitrogen substituents R1 is an alkyl group.In contrast, cyclization of the corresponding NH or N-acyl iminium ions occurs in a stereorandom fashion.Nonracemic tetrahydropyridines cannot be prepared in this way, since both iminium ion and N-acyliminium ion intermediates racemize prior to cyclization.

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