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120780-86-1

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120780-86-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 120780-86-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,0,7,8 and 0 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 120780-86:
(8*1)+(7*2)+(6*0)+(5*7)+(4*8)+(3*0)+(2*8)+(1*6)=111
111 % 10 = 1
So 120780-86-1 is a valid CAS Registry Number.

120780-86-1Relevant articles and documents

Radical induced 1,3-rearrangement-cyclisations of some unsaturated allylic sulphones

Smith, Thomas A. K.,Whitham, Gordon H.

, p. 319 - 325 (2007/10/02)

1,3-Rearrangement-cyclisation of unsaturated allylic sulphones, typified by the conversion of the pentenyl substituted allyl sulphone (6) into the cyclic sulphone (8), is described. Reaction is considered to occur by a radical chain mechanism involving addition-elimination of ArSO2*. The scope of the reaction has been explored, using various methyl substituted substrates of type (13) and other structural variants, and found to be quite general.

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