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1017581-25-7

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1017581-25-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1017581-25-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,1,7,5,8 and 1 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1017581-25:
(9*1)+(8*0)+(7*1)+(6*7)+(5*5)+(4*8)+(3*1)+(2*2)+(1*5)=127
127 % 10 = 7
So 1017581-25-7 is a valid CAS Registry Number.

1017581-25-7Relevant articles and documents

The Claisen rearrangement approach to fused bicyclic medium-ring oxacycles

Burton, Jonathan W.,Anderson, Edward A.,O'Sullivan, Paul T.,Collins, Ian,Davies, John E.,Bond, Andrew D.,Feeder, Neil,Holmes, Andrew B.

, p. XX693-702 (2008/09/17)

The synthesis of five fused-bicyclic medium-ring lactones carrying identical ring-fusion to that in the polyether toxins is described using an enolate hydroxylation, intramolecular hydrosilation, Claisen rearrangement sequence. This journal is The Royal Society of Chemistry.

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