91815-50-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 91815-50-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,8,1 and 5 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 91815-50:
(7*9)+(6*1)+(5*8)+(4*1)+(3*5)+(2*5)+(1*0)=138
138 % 10 = 8
So 91815-50-8 is a valid CAS Registry Number.
91815-50-8Relevant articles and documents
Process of preparing sulfonium organosulfonates
-
, (2008/06/13)
Monomeric and polymeric triarylsulfonium complex salts which may be prepared by contacting diarylsulfoxides or polymeric arylsulfoxides with aromatic compounds in the presence of an organosulfonic acid are described. An example is tris-(4-phenoxyphenyl)su
