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934351-23-2

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934351-23-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 934351-23-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,3,4,3,5 and 1 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 934351-23:
(8*9)+(7*3)+(6*4)+(5*3)+(4*5)+(3*1)+(2*2)+(1*3)=162
162 % 10 = 2
So 934351-23-2 is a valid CAS Registry Number.

934351-23-2Relevant articles and documents

Highly selective copper-catalyzed ring expansion of vinyl thiiranes: Application to synthesis of biotin and the heterocyclic core of plavix

Rogers, Erik,Araki, Hiroshi,Batory, Lindsay A.,McInnis, Christine E.,Njardarson, Jon T.

, p. 2768 - 2769 (2007/10/03)

We report herein a new, highly selective, mild copper-catalyzed vinyl thiirane ring-expansion protocol for the formation of 2,5-dihydrothiophenes. Preliminary substrate scope and applications of this new synthetic disconnection to the formal racemic total synthesis of biotin and the synthesis of the antiplatelet blockbuster pharmaceutical agent Plavix are described. Copyright

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