77474-71-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77474-71-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,4,7 and 4 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 77474-71:
(7*7)+(6*7)+(5*4)+(4*7)+(3*4)+(2*7)+(1*1)=166
166 % 10 = 6
So 77474-71-6 is a valid CAS Registry Number.
77474-71-6Relevant articles and documents
1-HYDROXY-1-ARYL-2,4-DIPHENYLDIHYDROPHTHALAZINES. SYNTHESIS AND PROPERTIES
L'vova, N. V.,Samartseva, I. V.,Pavlova, L. A.
, p. 1998 - 2003 (2007/10/02)
A series of 1-hydroxy-1-aryl-2,4-diphenyldihydrophthalazines, which exhibit the characteristics of pseudo bases, were obtained by the action of arylmagnesium halides on 1-oxo-2,4-diphenylphthalazine. 1-Aryl-2,4-diphenylphthalazinium perchlorates and tetra
