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1227628-62-7

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1227628-62-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1227628-62-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,2,7,6,2 and 8 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1227628-62:
(9*1)+(8*2)+(7*2)+(6*7)+(5*6)+(4*2)+(3*8)+(2*6)+(1*2)=157
157 % 10 = 7
So 1227628-62-7 is a valid CAS Registry Number.

1227628-62-7Relevant articles and documents

Enantioselective assembly of the benzo[d]xanthene tetracyclic core of anti-influenza active natural products

Ngoc, Duc Tran,Albicker, Martin,Schneider, Lorenz,Cramer, Nicolai

supporting information; experimental part, p. 1781 - 1784 (2010/08/13)

A combination of an enantioselective conjugate addition/trapping sequence and a ruthenium(iii)-catalyzed domino cyclization provides a concise access to benzo[d]xanthenes found in several anti-influenza active sesquiterpene natural products.

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