74523-54-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 74523-54-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,5,2 and 3 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 74523-54:
(7*7)+(6*4)+(5*5)+(4*2)+(3*3)+(2*5)+(1*4)=129
129 % 10 = 9
So 74523-54-9 is a valid CAS Registry Number.
74523-54-9Relevant academic research and scientific papers
1,1',5,5'-Tetraphenyl-3,3'-biverdazyl, the Primary Bisverdazyl
Neugebauer, Franz A.,Fischer, Hans,Meier, Peter
, p. 2049 - 2051 (2007/10/02)
Die Titelverbindung 3 wurde dargestellt.Die gefundenen Nullfeldaufspaltungsparameter /D'/ = 305 G und /E'/ ca. 0 G entsprechen der Struktur.
