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1087267-81-9

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1087267-81-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1087267-81-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,8,7,2,6 and 7 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1087267-81:
(9*1)+(8*0)+(7*8)+(6*7)+(5*2)+(4*6)+(3*7)+(2*8)+(1*1)=179
179 % 10 = 9
So 1087267-81-9 is a valid CAS Registry Number.

1087267-81-9Relevant articles and documents

Synthesis of bicyclo[3.1.0]hexanones via 1,3-dipolar cycloaddition of diazoalkanes to homochiral α-sulfinyl-2-cyclopentenones

García Ruano, José Luis,Alonso, Marina,Cruz, David,Fraile, Alberto,Martín, M. Rosario,Peromingo, M. Teresa,Tito, Amelia,Yuste, Francisco

, p. 10546 - 10551 (2008/12/23)

The reactions of diazomethane, diazoethane, and (trimethylsilyl)diazomethane with (S)-2-p-tolylsulfinylcyclopent-2-en-1-one have been studied. The sulfinyl group increases the reactivity and controls the π-facial and endo/exo selectivities. The π-facial s

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