54258-48-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 54258-48-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,2,5 and 8 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 54258-48:
(7*5)+(6*4)+(5*2)+(4*5)+(3*8)+(2*4)+(1*8)=129
129 % 10 = 9
So 54258-48-9 is a valid CAS Registry Number.
54258-48-9Relevant academic research and scientific papers
7-phenylpyrimido[1,2-alpha][1,4]benzodiazepin-3(5H)-ones
-
, (2008/06/13)
A 7-phenylpyrimido[1,2-a][1,4]benzodiazepin-3(5H)-ones of the formula II: STR1 wherein Ro is selected from the group consisting of hydrogen, alkyl of 1 to 3 carbon atoms, inclusive, --COOR in which R is alkyl defined as above, STR2 in which n i
