488720-06-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 488720-06-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,8,8,7,2 and 0 respectively; the second part has 2 digits, 0 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 488720-06:
(8*4)+(7*8)+(6*8)+(5*7)+(4*2)+(3*0)+(2*0)+(1*6)=185
185 % 10 = 5
So 488720-06-5 is a valid CAS Registry Number.
488720-06-5Relevant articles and documents
Synthesis of 3-sulfonyloxypyridines: Oxidative ring expansion of α-furyl-sulfonamides and N→O sulfonyl transfer
Hodgson, Robert,Kennedy, Andrew,Nelson, Adam,Perry, Alexis
, p. 1043 - 1046 (2008/02/13)
N-Sulfonyl pyridinones derived from α-furylsulfonamides may be aromatised with concomitant N→O sulfonyl transfer to produce 3-sulfonyloxypyridines. Georg Thieme Verlag Stuttgart.