188963-54-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 188963-54-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,8,9,6 and 3 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 188963-54:
(8*1)+(7*8)+(6*8)+(5*9)+(4*6)+(3*3)+(2*5)+(1*4)=204
204 % 10 = 4
So 188963-54-4 is a valid CAS Registry Number.
188963-54-4Relevant articles and documents
On the Reaction of 1,1-Diphenylethene with Arenediazonium Chlorides and SO2
Bilaya,Obushak,Ganushchak,Buchinskii
, p. 1477 - 1479 (2007/10/03)
1,1-diphenylethene reacts with arenediazonium chlorides and SO2 in the presence of CuCl2 in solution of water-acetone-acetic acid (1 : 1 : 1) mainly to form products of substitution of hydrogen atom by arylsulphonyl group, aryl(2,2-
