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1318074-61-1

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1318074-61-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1318074-61-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,1,8,0,7 and 4 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1318074-61:
(9*1)+(8*3)+(7*1)+(6*8)+(5*0)+(4*7)+(3*4)+(2*6)+(1*1)=141
141 % 10 = 1
So 1318074-61-1 is a valid CAS Registry Number.

1318074-61-1Relevant articles and documents

Exploiting Sm(ii) and Sm(iii) in SmI2-initiated reaction cascades: Application in a tag removal-cyclisation approach to spirooxindole scaffolds

Coote, Susannah C.,Quenum, Seidjolo,Procter, David J.

, p. 5104 - 5108 (2011/08/07)

A tag removal-cyclisation sequence is described that is initiated by reduction using a Sm(ii) species and completed by a Sm(iii) Lewis acid that is formed in an earlier stage. Therefore, the reaction cascade utilises both oxidation states of a samarium reagent in discrete steps and allows access to privileged, pyrrolidinyl-spirooxindole scaffolds and analogues inspired by the anti-cancer natural product spirotryprostatin A. The Royal Society of Chemistry 2011.

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