123716-23-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 123716-23-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,3,7,1 and 6 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 123716-23:
(8*1)+(7*2)+(6*3)+(5*7)+(4*1)+(3*6)+(2*2)+(1*3)=104
104 % 10 = 4
So 123716-23-4 is a valid CAS Registry Number.
123716-23-4Relevant articles and documents
ARENESULFONAMIDATION OF α,ω-DIARYLPOLYMETHYLENES
Moskalenko, A. I.,Kremlev, M. M.,Baranovskaya, V. F.
, p. 1159 - 1162 (2007/10/02)
The benzenesulfonamidation of α,ω-diarylpolymethylenes containing more than two methylene groups leads to the formation of α,ω-bis(phenylsulfonylamino) and α,ω-bis(phenylsulfonylimino) derivatives.
