54161-57-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 54161-57-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,1,6 and 1 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 54161-57:
(7*5)+(6*4)+(5*1)+(4*6)+(3*1)+(2*5)+(1*7)=108
108 % 10 = 8
So 54161-57-8 is a valid CAS Registry Number.
54161-57-8Relevant academic research and scientific papers
Karachev,Popkov
, p. 987 - 993 (2005)
A convenient method was developed for the synthesis of substituted 4-azolyl-1-arylbutanones from the available γ-chlorobutyrophenones by successive stages of transformation into ketals, alkylation of sodium imidazolate or 1,2,4-triazolate by the ketals in
