72818-32-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 72818-32-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,8,1 and 8 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 72818-32:
(7*7)+(6*2)+(5*8)+(4*1)+(3*8)+(2*3)+(1*2)=137
137 % 10 = 7
So 72818-32-7 is a valid CAS Registry Number.
72818-32-7Relevant articles and documents
α-oxo sulfones by dimethyldioxirane oxidation of thiol esters
Adam,Hadjiarapoglou
, p. 469 - 470 (2007/10/02)
The oxyfunctionalization of thiol esters 1 by dimethyldioxirane afforded the labile α-oxo sulfones 2 in quantitative yields.