93972-17-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 93972-17-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,3,9,7 and 2 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 93972-17:
(7*9)+(6*3)+(5*9)+(4*7)+(3*2)+(2*1)+(1*7)=169
169 % 10 = 9
So 93972-17-9 is a valid CAS Registry Number.