72801-05-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 72801-05-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,8,0 and 1 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 72801-05:
(7*7)+(6*2)+(5*8)+(4*0)+(3*1)+(2*0)+(1*5)=109
109 % 10 = 9
So 72801-05-9 is a valid CAS Registry Number.
72801-05-9Relevant academic research and scientific papers
Benzo(B)thiophenes
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, (2008/06/13)
The present invention relates to new derivatives of 2-phenyl -benzo(b)thiophene mono- or disubstituted on the nitrogen atom of formula STR1 in which X1 to X9 which are identical or different are hydrogen, alkyl having up to 3 carbon
