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1262758-85-9

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1262758-85-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1262758-85-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,6,2,7,5 and 8 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1262758-85:
(9*1)+(8*2)+(7*6)+(6*2)+(5*7)+(4*5)+(3*8)+(2*8)+(1*5)=179
179 % 10 = 9
So 1262758-85-9 is a valid CAS Registry Number.

1262758-85-9Relevant academic research and scientific papers

An efficient oxidative dearomatization-radical cyclization approach to symmetrically substituted bicyclic guttiferone natural products

McGrath, Nicholas A.,Binner, Joshua R.,Markopoulos, Georgios,Brichacek, Matthew,Njardarson, Jon T.

, p. 209 - 211 (2011/03/19)

Detailed in this communication is an efficient synthetic approach towards the guttiferone family of natural products. Oxidatively unraveling a para-quinone monoketal followed by consecutive 5-exo radical cyclizations provides the bicyclic core. An additional strength of this approach is a late stage asymmetric desymmetrization of an advanced symmetric intermediate.

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