155496-74-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 155496-74-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,5,4,9 and 6 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 155496-74:
(8*1)+(7*5)+(6*5)+(5*4)+(4*9)+(3*6)+(2*7)+(1*4)=165
165 % 10 = 5
So 155496-74-5 is a valid CAS Registry Number.
155496-74-5Relevant articles and documents
ortho-Substituted Unsymmetrical Biaryls from Aryl tert-Butyl Sulfones
Clayden, Jonathan,Julia, Marc
, p. 1682 - 1683 (2007/10/02)
Nickel-catalysed coupling of arylmagnesium halides with aryl tert-butyl sulfones, and in particular with those bearing ortho-substituents introduced by ortholithiation, gives ortho-substituted unsymmetrical biaryls.